Francis Brown, Michael Olsen, and Kirk Smith, named plaintiffs in an uncertified class action, 1 appeal a district court order granting summary judgment for defendant Royal Maccabees Life Insurance Company (Maccabees). This appeal requires us to answer the following question of state law:
Under Wyoming law, is an illustration used to sell a universal life insurance policy considered part of the insurance contract when the illustration and the policy contain conflicting provisions and the insured party relied on the illustration in entering the insurance contract?
We must also determine whether, under Wyoming law, the provisions of a Maccabees *1238 insurance policy control over the provisions contained in an illustration used to sell the policy. Finally, given the undisputed facts presented here, we must determine whether, under Wyoming law, Maccabees is estopped from asserting certain provisions of a universal life insurance policy, based on plaintiffs’ alleged detrimental reliance on the provisions of an illustration used to sell the policy. We ultimately conclude (1) an illustration is not considered part of an insurance contract under Wyoming law simply becausé the insured party relied on the illustration in entering the insurance contract and the policy and illustration contain conflicting provisions; (2) the provisions of the Maccabees insurance policy control over the provisions of the illustration used to sell the policy; and (3) Maccabees is not estopped from enforcing the provisions of the insurance policy. ■ We therefore affirm the district court’s order granting summary judgment for Maccabees.
I. BACKGROUND
Maccabees sold a universal life insurance policy known as the Diplomat, 2 which required an initial premium payment of approximately $8,000 and provided a Specified Benefit Amount of $1,000,000. The policy further provided “[a]ny decrease in the Specified Benefit Amount during the first ten Policy Years or during the ten year period after an increase will be subject to a pro-rata Surrender Charge.” According to the policy’s terms, the Accumulated Value would increase on a periodic basis by the amount of any additional premiums paid and by any periodic interest earned and decrease by the periodic, cost, of maintaining the Specified Benefit Amount and by the amount of any Surrender Charges which might be imposed. As with most universal life insurance policies, the insured was entitled to surrender the policy in full at any time for the Accumulated Value of the policy minus any Surrender Charges or other fees associated with the surrender. The policy also permitted the insured to reduce the Specified Benefit Amount, subject to a “pro-rata” Surrender Charge against the Accumulated Value of the policy.
To assist its sales agents in illustrating the Diplomat’s performance, Maccabees developed a computer program which could provide an individualized projection, based on a potential buyer’s particular actuarial situation. The program generated a table projecting the Accumulated Value, Surrender Value, and Death Benefit provided each year by the policy under an assumed interest and a guaranteed interest. Although the program correctly accounted for a Surrender Charge upon total surrender of the policy, it contained a programming error and failed to reflect the pro-rata Surrender Charge upon coverage reduction expressly described in the policy.
A Wyoming insurance agency (the Agent) enlisted this programming flaw in its sales efforts 3 and generated policy projections and illustrations for its customers representing an extremely favorable performance by the Diplomat policy. Because the program did not levy a coverage reduction Surrender Charge against the policy’s Accumulated Value, it was possible to create policy illustrations which reflected a coverage reduction from $1,000,000 to $50,000 in the second year, a $50,000 death benefit coverage for fourteen years thereafter, and an ultimate Surrender Value of approximately $14,000 in the fifteenth year. If the program had imposed a Surrender Charge in the manner which Maccabees contends the policy provides, the computer-generated illustrations *1239 would have reflected a complete depletion of Accumulated Value upon the coverage reduetion in the second year and a subsequent lapse in coverage absent additional premium payments.
The Agent used the favorable computer-generated illustrations to sell Diplomat policies to each of the plaintiffs in this action. In addition, the Agent offered each plaintiff a financing arrangement, under which the plaintiff would pay the initial premium, the Agent would subsequently loan the plaintiff an amount equivalent to the premium paid, and the plaintiff would correspondingly give the Agent a nonrecourse note, securing the loan solely with the Diplomat policy. As the plaintiffs understood the arrangement, if they reduced their coverage in the second year, as described in the illustrations, no further premiums were required to maintain the $50,000 death benefit, thus they could surrender the policy at the end of fifteen years, and obtain sufficient funds to repay the Agent for the nonrecourse loan. The ultimate effect of the arrangement was to give the plaintiffs $50,000 worth of life insurance for fifteen years, “free of charge,” with no personal liability on the loan. One hundred and twenty people, the putative class action plaintiffs in this case, purchased Diplomat policies from the Agent on these terms.
Each plaintiff completed applications for the Diplomat policy, which the Agent forwarded to Maccabees. After the applications were approved, each plaintiff received a copy of the policy containing a cover letter which stated “This Policy is a legal contract between the Policy Owner and the Company.... READ YOUR POLICY CAREFULLY.” The cover letter also informed each plaintiff he or she had a “TEN DAY RIGHT TO EXAMINE POLICY” and return it if they were not satisfied. An attached page entitled “SCHEDULE OF BENEFITS AND INITIAL MONTHLY EXPENSE CHARGES” indicated the “FIRST YEAR SURRENDER CHARGE” would be $20,350. Finally, the Policy contained an integration clause entitled “THE CONTRACT,” which provided:
This Policy, the attached application for this Policy, any attached riders, any additional applications for increases in the Specified Benefit Amount, and any Specification Endorsements make up the entire contract between the parties,
____
Any change or waiver of any provision of this Policy must be in writing and signed by an officer of the Company.”
Plaintiffs admit they did not read their policies upon receipt and did not avail themselves of the ten day examination period.
A year later, plaintiffs, through the Agent, began to submit coverage reduction requests to Maccabees (in accordance with the computer-generated illustrations). For the first several reduction requests, the Agent told Maccabees the insured parties wished to reduce their coverage because they had financial difficulties. Maccabees imposed a nominal $100 Surrender Charge for the first ten reductions. However, upon recognizing that an unusually high number of reduction requests were coming through the same Agent, Maccabees began applying the full coverage reduction Surrender Charge pursuant to the policy provisions, retroactively applying the charge to the initial ten reduction requests as well. The Surrender Charges consumed the Accumulated Values in the policies and, because no additional premiums were paid to maintain the death benefit coverage, the policies lapsed.
Plaintiffs brought a class action suit and agreed to submit the central contract issues in the case to the district court prior to seeking certification. The district court granted summary judgment for Maccabees, holding the illustrations were not part of the contract between the plaintiffs and Maccabees and holding the use of illustrations to sell the policies did not estop Maccabees fi*om imposing the pro-rata Surrender Charges. Plaintiffs appeal this order.
II. DISCUSSION
A Plaintiffs’ Claims On Appeal
We review a summary judgment order de novo, applying the same standard used by the district court.
Osgood v. State Farm Mut. Auto. Ins. Co.,
Plaintiffs allege they relied on Maccabees’ illustrations when they purchased the life insurance policies and believed Maccabees would not impose a Surrender Charge if they chose subsequently to reduce their Specified Benefit Amount. Plaintiffs argue “insurers are bound by inaccurate or misleading policy illustrations, brochures, pamphlets, advertising material, or other sales aids if they are relied upon by the insured to purchase a policy of insurance, in spite of'contrary language set forth in the policy.” Plaintiffs' provide no Wyoming or Tenth Circuit precedent to support this claim; rather, they cite over fifteen eases from other jurisdictions, • each holding, on various grounds of contract and estoppel, an insurer was bound by the provisions of promotional materials used in the sale of an insurance policy.
Vogel v. American Warranty Home Serv.,
Plaintiffs also present contract and estop-pel claims. In their contract claims, plaintiffs argue the Hlustrations must be considered part' of the insurance contract and contend, because courts traditionaUy construe contracts against the party drafting the agreement, the Hlustration’s no-surren-def charge depiction must control over the Surrender Charge provisions of the pohey. In their estoppel claims, plaintiffs assert the Hlustrations represent a clear and definite agreement between the parties to enter into an insurance contract without Surrender Charges, and because the plaintiffs reasonably rehed on this agreement, Maccabees is estopped from enforcing the pro-rata coverage reduction Surrender Charges provided in the pohey. Plaintiffs are not suing in tort, nor do they seek monetary damages; rather, plaintiffs seek specific performance of the contract in accordance with their proffered interpretation of the H-lustrations’ terms.
*1241 B. Applicable Wyoming Law
We begin our discussion by examining applicable Wyoming law. First, we consider
Poling v. North American Life & Cas. Co.,
1. Poling v. North American Life & Cas. Co.
The central question in
Poling
was “whether a certificate of insurance furnished to an insured under a group policy for credit life insurance should control over the provisions of the policy if the terms of the two instruments conflict.”
Poling,
We adopt ... the rule that the certificate of insurance is evidence of coverage only. [citing cases]. In this regard it is important to note that the certificate of insurance ... provides in part as follows:
... Certificates ... will not constitute a policy nor change, modify or invalidate any of the terms or conditions of the Group Policy.
Given the previously quoted [integration clause and disclaimer] of the master insurance policy, we hold that in such a situation any conflict between the terms of the certificate and the master policy results in the terms of the master policy being applied to determine the rights and obligations of the parties.
Id. at 572 (citations omitted).
Although we recognize
Poling
is not dis-positive in this case, we believe
Poling
provides important guideposts for our inquiry. First,
Poling
clearly holds a certificate of insurance will not control over a master policy in the group insurance context, and, to the extent plaintiffs’ cases hold to the contrary, we are justified in finding them unpersuasive.
See Leonard,
2. Wyoming Rules of Construction for Insurance Contracts
Wyoming. law instructs us to construe insurance policies according to the traditional rules of contract construction.
Doctors’ Co. v. Insurance Corp.,
the parties have the right to employ whatever lawful terms they wish and the courts will not rewrite them. In other words, the terms must not conflict with pertinent statutes or public policy. Such [insurance] contracts should not be so strictly construed as to thwart the general object of the insurance. To this should be added the concept that the words used will, be given their common and ordinary meaning. The intention of the parties is the primary consideration and is to be ascertained, if possible, from the language employed in the policy, viewed in the light of what the parties must reasonably have intended. Absent ambiguity, there is no room for construction and the policy will be enforced according to its terms. Neither will the language be “tortured” in order to create an ambiguity.
McKay v. Equitable Life Assur. Soc.,
As previously noted, the Diplomat policy contains an integration clause, which identifies the policy, the application, and attached riders as the “entire contract” between the parties. Under Wyoming’s ordinary rules of insurance contract construction, our interpretation of the contract’s terms would be limited to the materials identified in the Diplomat’s integration clause. Therefore, unless the cases cited by plaintiffs contain a justification which- the Wyoming Supreme Court would adopt for departing from its traditional approach to an integrated contract, we cannot find the illustrations to be part of the insurance contract between the plaintiffs and Maccabees.
C. Are the Illustrations Part of the Insurance Contract?
Plaintiffs have identified an extensive list of authorities holding that an insurer’s promotional materials are binding and control over the conflicting provisions of a policy. These cases present three distinct rationales which might support a decision to disregard the integration clause in the present case. We must consider each of the rationales and decide whether Wyoming would find them persuasive^
1. Proposed Rule # 1: Insurance Contracts Require Special Rules of Construction.
The majority of the plaintiffs’ cases are based on the proposition that insurance con *1243 tracts are unusually complex' and insured parties, as a practical matter, tend not to read their policies. These features of insurance contracting, the cases hold, justify applying a special rule of construction in the insurance context. This reasoning has been described influentially as follows:
[Fjortunately the courts, beginning to realize the realities of the relationship between the parties, particularly that the contract as set forth [in] the insurance policy often is practicably unintelligible and generally never read, whereas brochures and other material given out by the insurer are read and relied upon, are now enforcing the contract expected by the insured, that is the contract set out in the brochure or pamphlet.
John A. Appleman & Jean Appleman, Insurance Law & Practice § 7534, at 130 (1976). Most of the plaintiffs’ cases explicitly adopt this rationale.
See Leonard,
Two of plaintiffs’ cases,
Lewis v. Continental Life & Accident Co.,
“[i]nsurance policies, while in the nature of written contracts, are not prepared after negotiations between the parties, to embrace the terms at which the parties have arrived in their negotiations. They are prepared beforehand by the insurer, and the company solicitors then sell the insurance idea to the applicant. Normally, the details and provisions of the policy are not discussed, except that the particular form of policy is best suited to give the applicant the protection he seek's. If he reads the policy he is generally not in a position to understand its details, terms, and meaning except that, in the event against which he seeks insurance, the company will pay the stipulated sums. He seldom sees the policy until it has been issued and is delivered to him. He signs an application blank in which the policy sought is described either by form number or by a general designation, pays his premium, and in due course thereafter receives, either from the agent or through the mails, his policy. Many of its terms and all of its defenses and super-refinements he has never heard of and would not understand them if he read them.”
Lewis,
“It must be presumed, ordinarily, that persons are familiar with the terms of written contracts to which they are parties, and in the absence of fraud they are justly bound by the provisions therein, but the rule should not be strictly applied to insurance *1244 policies. It is a matter almost of common knowledge that a very small percentage of policy holders are actually cognizant of the provisions of their policies and many of them are- ignorant of the names of the companies issuing the said policies. The policies are prepared by the experts of the companies, they are highly technical in their phraseology, they are complicated and voluminous—the one before us covering thirteen pages of the transcript—and in their numerous conditions and stipulations furnishing what sometimes may be veritable traps for the unwary. The insured usually confides implicitly in the agent securing the insurance, and it is only just and equitable that the company should be required to call specifically to the attention of the policyholder such provisions as the one before us. The courts, while zealous to uphold legal contracts, should not sacrifice the spirit to the letter nor should they be slow to aid the confiding and inno-cent____” Indeed, “the applicant usually tells the insurer’s agent of his coverage necessities and relies on the agent for a policy in accordance therewith____ We conclude an insurance company which in its policy has written the generally broad coverage may be estopped to defend by reason of an exclusionary clause not within the terms the .insured ordered and; coverage which he was led to believe was contained therein.”
Barth,
Wyoming precedent will not support the premise which underlies these cases, that is, the complexity of insurance policies and the insured’s general failure to read his or her policy justifies special rules of construction for an insurance contract. On the contrary, the Wyoming Supreme Court has been quite firm in its refusal to accord special rules of construction for insurance policies.
See, e.g., Sinclair Oil Corp.,
929.P.2d at 539, 540 (“Our precedent in Wyoming establishes that an insurance contract is to be examined in fashion similar to any other contract____ [W]e have been consistent in holding that the usual and established rules of contract construction apply to ■ insurance policies.”);
Squillace v. Wyoming State Employees’ & Officials’ Group Ins. Bd.,
*1245 2. Proposed Rule # 2: When promotional materials contain essential terms without which the policy cannot be understood, they must be considered part of the contract.
A few of plaintiffs’ cited authorities hold that promotional materials will be considered part of an insurance contract when essential terms of the insurance policy cannot be understood' except by reference to the express provisions of the promotional materials.
See Behr,
Surrender Charge = SBA After Redu Initial SBA :tion x Maximum Surrender Charge,
where SBA = Specified Benefit Amount.
The Surrender Charge upon actual surrender, the pro-rata Surrender Charge upon coverage reduction, and the Accumulation Value of the Policy are each readily discernible from the policy itself. A “SCHEDULE OF BENEFITS AND INITIAL MONTHLY EXPENSE CHARGES” and a “TABLE OF GUARANTEED VALUES” were attached to each plaintiffs policy. As attached riders, these documents became part of the policy, pursuant to the policy’s integration clause. The Schedule of Benefits and the Table of Guaranteed Values provide a First-Year Surrender Charge of $20,350. Furthermore, the Table of Guaranteed Values sets forth the Maximum Surrender Charge to be imposed for each year through the. first twenty years. Plaintiffs need do no more than read their policies to ascertain these amounts.
The policy also clearly defines the Surrender Charge to be paid upon a reduction in coverage:
The Specified Benefit Amount of this Policy may be increased or decreased upon written request by the Owner subject to the following conditions:
3) Any decrease in the Specified Benefit Amount during the first ten Policy Years or during the ten year period after an increase will be subject to a pro-rata Surrender Charge.
We disagree with plaintiffs’ assertion this language is unclear. The passage contemplates the imposition of a pro-rata Surrender Charge upon a reduction in coverage. In other words, a reduction in coverage would result in a Surrender Charge equivalent to a pro-rated portion of the Surrender Charge which would be due upon a total surrender, i.e., the Maximum Surrender Charge. Expressed mathematically, the pro-rata Surrender Charge would be *1246 and the Specified Benefit Amount after a planned reduction in coverage, each plaintiff, simply by reading his or her policy, could determine the Surrender Charge to be imposed upon a reduction in coverage. The' illustrations are not necessary to this determination.
Similarly, under the heading of “ACCUMULATION VALUE,” the policy provides a detañed description of the method used to calculate the policy’s monthly Aceumulatioh Value. ■ Each of the variables required to calculate the Accumulation Value is defined under subsequent bolded and capitalized headings. No recourse to the ülustrations is required to calculate the Accumulation Value of the policy.
FinaUy, for those policyholders who do not wish to conduct the calculations themselves, the policy states:
The Company wül provide an illustrative report of projected future insurance Proceeds and Cash Values which wül be sent to the Owner upon request. The Company may charge a reasonable fee for providing such a Report. However, the first report for each calendar year wUl be free of charge.
Therefore, under the policy’s express terms, each plaintiff was entitled to receive upon request a yearly projection of their policy’s performance at no cost to themselves. Once again, no recourse to the illustrations at issue here is required. 6
The illustrations do not contain essential terms of the insurance contract without which the policy cannot be understood. Plaintiffs’ claims under this rule would therefore prove unavailing. As a result, we do not decide whether Wyoming would adopt the rule described in Barrett and Behr.
3. Proposed Rule # 3: An insurer should be estopped from asserting, as part of an insurance contract, the provisions of an insurance policy where the insured party has relied on conflicting representations contained in the insurer’s promotional materials.
Many of the eases plaintiffs cite in support of their contract claims hold an insurer is estopped from asserting provisions contained in promotional materials when the insured party has relied on the promotional materials to his or her detriment. These courts hold, in such circumstances, the provisions of the promotional materials are binding on the insurer.
See Vogel,
The proffered cases, however, represent nothing more than variations on the theme of promissory estoppel.
See, e.g., Lewis,
D. Plaintiffs’ Contract Claims
In our opinion, plaintiffs have failed to present a rationale, which the Wyoming Supreme Court would accept, for departing from Wyoming’s traditional approach to integrated insurance contracts. Accordingly, we conclude the illustrations are not part of the insurance contracts between the plaintiffs and Maccabees. Therefore, we determine whether the illustrations may be considered on the ground the contracts are ambiguous regarding the imposition of a pro-rata Surrender Charge upon a planned reduction in coverage. We may consider extraneous materials to interpret an ambiguous contract provision.
St. Paul Fire & Marine Ins. Co.,
We see no ambiguity here regarding the imposition of a Surrender Charge upon a planned reduction in coverage. The “DEFINITIONS” page of the policy warns the reader “[a] portion of the Surrender Charge may be deducted if ... the Specified Benefit Amount is reduced.” The provision entitled “CHANGES IN SPECIFIED BENEFIT AMOUNT” informs the readers “[a]ny decrease in the Specified Benefit Amount ... will be subject to a pro-rata Surrender Charge.” As. we noted above, there is no ambiguity in this provision, and the plaintiffs could discern the meaning of these provisions simply by reading their policies. In fact, the plaintiffs readily understood these terms themselves when the passages were brought to their attention during depositions. Like the plaintiff in
Feather,
E. Plaintiffs’ Promissory Estoppel Claims
Under Wyoming law, a plaintiff asserting promissory estoppel must demonstrate “(1) a clear and definite agreement; (2) proof that the party urging the doctrine acted to its detriment in reasonable reliance on the agreement; and (3) a finding that the equities support the enforcement of the agreement.”
Davis v. Davis,
*1248
Wyoming courts will not find a clear arid definite agreement where the language of a purported promise is precatory or a “mere expression of hope” occurring in an “obviously preliminary negotiation context.”
See Inter-Mountain Threading, Inc. v. Baker Hughes Tubular Serv., Inc.,
Furthermore, there is no “clear” promise in the ülustrations to refrain from imposing a pro-rata Surrender Charge upon a planned reduction in coverage. The only explicit reference to a “Surrender Charge” in the ülus-trations is a statement which reads “Surrender Values are the accumulation values less any surri charges.” Plaintiffs argue we can infer from this statement and the table of values provided in the ülustrations that no Surrender Charge would be imposed upon a reduction in coverage. However, this claim is clearly wrong, given plaintiffs profess the ability to calculate the maximum coverage reduction Surrender Charge using the same inferential process. An inferential process which alternately yields a promise to impose no Surrender Charge and a promise to charge a small, specific Surrender Charge cannot be said to have produced a “clear and definite agreement” on the point. Finaüy, a whole host of terms, conditions, and exclusions covered by the policy itself are not mentioned, referred to, or even outlined in the illustration. Plaintiffs could not have “agreed” to the terms of the ülustrations because there are no terms with which to agree, merely a set of numerical projections for two sets of potential events (“Assumed Interest” and “Guaranteed, Interest”). Because the ülustrations are inherently inchoate, clearly contemplate the imposition of Surrender Charges, and do not present a clear agreement on Maccabees’ part to refrain from imposing Surrender Charges, we cannot conclude, even viewing the evidence in the light most favorable to the plaintiffs, that Maccabees clearly and definitely agreed to refrain from imposing a pro-rata Surrender Charge upon a reduction in coverage.
Turning to the second element of promissory estoppel, we find plaintiffs’ reliance on the illustrations unreasonable. Plaintiffs’ could not have reasonably believed the ülus-trations provided adequate information regarding their policies’ potential performance. In addition to the numerous indications the ülustrations were tentative, many essential terms of the contract—the manner in which the interest rate is to be determined, the monthly cost of a particular coverage level, the fees and charges which might attend changes in coverage—are not mentioned in the ülustrations. Plaintiffs knew a comprehensive, written document which would explain these vital terms (their policies) would foUow after submission of their applications. Each of the plaintiffs planned to reduce their coverage in the second year and hoped thereby to avoid the need to pay subsequent premiums. Given their plans depended entirely upon receiving no or only a nominal Surrender Charge for such a planned reduction in coverage and given plaintiffs could not have believed the ülustrations adequately described the terms of their insurance agree
*1249
ment, we conclude plaintiffs’ reliance on the illustrations was unreasonable.
See Baker Hughes,
We also conclude the equities do not support enforcement of the agreement. “The doctrine of promissory estoppel can only be invoked when it is necessary to avoid injustice.”
Davis,
The judgment of the district court is AFFIRMED.
Notes
. The parties agreed to postpone certification pending resolution of the contract issues discussed in this opinion.
. A universal life insurance policy explicitly separates.death benefit and investment functions. ■ Premium payments on the policy therefore serve two purposes. The premiums are applied first to the cost of maintaining the stated death benefit coverage. Any remaining funds are applied to a separate account, constituting the "accumulated value” of the policy, and the insured earns a yearly interest upon the funds in the accumulated value portion of the policy. During the life of the policy, the insured may return the policy to the insurer and obtain the accumulated value, less any surrender charges or other fees for which the policy provides. See generally Eric M. Holmes & Mark S. Rhodes, Holmes’s Appleman on Insurance § 1.25, at 128 (2d ed.1996).
. The insurance agency, an authorized Maccabees agent, is not a party in this action. For purposes of this appeal, we have assumed plaintiffs’ allegations regarding the Agent's conduct are true.
. Plaintiffs argue
Poling
is inapposite because the illustrations in this case do not contain an
express
disclaimer, such as the disclaimer in
Poling.
Plaintiffs, however, overstate the
Poling
court’s reliance on the certificate’s disclaimer. ' In reaching its ultimate holding—that the provisions of the master policy should control over the provisions of the certificate—the court expressly relied on the language of the master policy, i.e., the master policy’s integration clause and. disclaimer.
See Poling,
. Of course, this would not apply to á person who reads the policy but does not understand it. This is not the situation here, however. *1245 Because each plaintiff was provided with the Maximum Surrender Charge to be imposed on his or her policy, and each plaintiff would know the Initial Specified Benefit Amount
. Plaintiffs argue the illustrations must be considered part of the contract because the previously quoted policy language expressly refers to an "illustrative report." However, plaintiffs do not assert the illustrative reports referred to in the Policy are equivalent to the illustrations upon which they rely. Nor do plaintiffs assert they obtained the illustrations upon which they rely pursuant to this policy provision. This argument therefore fails.
. In addition, because the proffered cases do not require, as Wyoming precedent does, a "clear and definite agreement” for promissory estoppel, we do not view them as particularly persuasive or relevant to the plaintiffs’ promissory estoppel claims, discussed below.
. Maccabees argues, as a matter of Wyoming law, promissory estoppel cannot be used in claims for expanded coverage under an insurance contract, citing St. Paul Fire & Marine Ins. Co. v. Albany County Sch. Dist.,
