10.00% – 11.00% per annum Contingent Coupon Callable Yield Notes due April 27, 2021

Linked to the Performance of the Lowest Performing of the Russell 2000® Index and the EURO STOXX 50® Index

Product Terms

· Subject to Early Redemption, if a Coupon Barrier Event does not occur on an Observation Date, contingent coupons will be paid at a rate expected to be between 10.00% and 11.00% per annum** on the immediately following Contingent Coupon Payment Date; if a Coupon Barrier Event occurs, no contingent coupon will be paid on the immediately following Contingent Coupon Payment Date.

· We may redeem the securities, in whole but not in part, on any Contingent Coupon Payment Date scheduled to occur on or after October 19, 2018 but prior to the Maturity Date. No further payments will be made following an Early Redemption.

· Subject to Early Redemption, if a Knock-In Event does not occur, you will receive the principal amount of the securities you hold at maturity.

· Subject to Early Redemption, if a Knock-In Event has occurred, you will be fully exposed to any depreciation in the Lowest Performing Underlying. You could lose your entire investment.

· Any payment on the securities is subject to our ability to pay our obligations as they become due.

Issuer*:	Credit Suisse AG ("Credit Suisse"), acting through its London branch
Trade Date:	Expected to be April 20, 2018
Settlement Date:	Expected to be April 27, 2018
Underlyings:	The Russell 2000® Index and the EURO STOXX 50® Index
Contingent Coupon Rate**:	Subject to Early Redemption, if a Coupon Barrier Event does not occur on an Observation Date, expected to be between 10.00% and 11.00% per annum, calculated on a 30/360 basis; if a Coupon Barrier Event occurs, no contingent coupon will be paid on the immediately following Contingent Coupon Payment Date.
Contingent Coupon Payment Dates***:	Subject to Early Redemption, unless a Coupon Barrier Event occurs, approximately semi-annually, beginning on October 19, 2018 to and including the Maturity Date.
Coupon Barrier Event:	Occurs if, on any Observation Date, the closing level of any Underlying on such Observation Date is less than its Coupon Barrier Level.
Coupon Barrier Level**:	For each Underlying, approximately 70% of the Initial Level of such Underlying.
Observation Dates***:	Approximately semi-annually, beginning on October 12, 2018 to and including the Valuation Date.
Early Redemption:	Prior to the Maturity Date, the Issuer may redeem the securities on any Contingent Coupon Payment Date scheduled to occur on or after October 19, 2018 but prior to the Maturity Date upon notice on or before the immediately preceding Observation Date at 100% of the principal amount of the securities you hold, together with any applicable contingent coupon.
Knock-In Level**:	For each Underlying, approximately 70% of the Initial Level of such Underlying.
Knock-In Event:	Occurs if the Final Level of any Underlying is less than its Knock-In Level.
Initial Level:	For each Underlying, the closing level of such Underlying on the Trade Date.
Final Level:	For each Underlying, the closing level of such Underlying on the Valuation Date.
Redemption Amount:	Subject to Early Redemption, for each $1,000 principal amount of securities, if (a) a Knock-In Event occurs, $1,000 x (1 + the Underlying Return of the Lowest Performing Underlying); (b) a Knock-In Event does not occur, $1,000.
Lowest Performing Underlying:	The Underlying with the lowest Underlying Return.
Underlying Return:	For each Underlying, the lesser of (i) zero and (ii) an amount calculated as follows: (Final Level – Initial Level) / Initial Level
Valuation Date:	April 20, 2021
Maturity Date:	April 27, 2021
CUSIP:	22550WNA1
Fees:	Certain fiduciary accounts may pay a purchase price of at least $997.50 per $1,000 principal amount of securities, and Credit Suisse Securities (USA) LLC and any agent (the “Agents”) will forgo any fees with respect to such sales. The Agents may pay varying discounts and commissions of between $0 and $2.50 per $1,000 principal amount of securities. The Agent(s) through whom we distribute securities may enter into arrangements with other institutions with respect to the distribution of the securities, and those institutions may share in the commissions, discounts or other compensation received by the Agent(s), may be compensated separately and may also receive commissions from purchasers for whom they may act as agents. CSSU will also pay certain institutions or service providers a fee of $4 per security in consideration for providing education, structuring or other services with respect to the distribution of the securities. In addition, an affiliate of ours may pay referral fees of $4.50 per $1,000 principal amount of securities. The Agent(s) may re-allow some or all of the discount on the principal amount per security on sales of such securities by other brokers or dealers.
* As used in this document, references to "we" or "our" are to Credit Suisse AG, as Issuer. To be determined on the Trade Date. * Please see the accompanying preliminary pricing supplement for specific dates.

Certain Product Characteristics

· Early Redemption at the option of the Issuer.

· Contingent Coupon Rate of between 10.00% and 11.00% per annum.**

· Coupon Barrier Level of approximately 70%** of the respective Initial Level for each Underlying.

· Subject to a Knock-In Event, return of principal.

· If a Knock-In Event occurs, full downside participation in the depreciation of the Lowest Performing Underlying.

· Knock-In Level of approximately 70%** of the respective Initial Level for each Underlying.

Hypothetical Returns at Maturity

Percentage Change from the Initial Level to the Final Level of the Lowest Performing Underlying	Underlying Return of the Lowest Performing Underlying	Redemption Amount per $1,000 Principal Amount ^(1)(2)(3)
60%	0%	$1,000
50%	0%	$1,000
40%	0%	$1,000
30%	0%	$1,000
20%	0%	$1,000
10%	0%	$1,000
0%	0%	$1,000
–10%	–10%	$1,000
–20%	–20%	$1,000
–30%	–30%	$1,000
–31%	–31%	$690
–40%	–40%	$600
–50%	–50%	$500
–60%	–60%	$400

(1)

Does not include any contingent coupon payments on the securities.

(2)

The hypothetical Redemption Amounts set forth above are for illustrative purposes only and may not be the actual returns applicable to you. The numbers appearing in the table have been rounded for ease of analysis.

(3)

Assumes a Knock-In Level of 70%**

Certain Product Risks

· Your investment may result in a loss of up to 100% of the principal amount of the securities you hold. If a Knock-In Event has occurred, you will be fully exposed to any depreciation in the Lowest Performing Underlying.

· The value of the securities and the payment of any amount due on the securities are subject to the credit risk of Credit Suisse.

· The securities will not pay more than the principal amount of the securities you hold plus unpaid contingent coupons, if any, at maturity or upon Early Redemption.

· If a Coupon Barrier Event occurs on an Observation Date, no contingent coupon will be paid on the immediately following Contingent Coupon Payment Date.

· The Redemption Amount will be less than the principal amount of the securities you hold even if a Knock-In Event occurs with respect to only one Underlying.

· The securities are exposed equally to risk of fluctuations in the levels of the Underlyings to the same degree for each Underlying.

· The securities are subject to Early Redemption, which may limit your ability to be paid contingent coupons over the full term of the securities.

(See "Additional Risk Considerations" on the next page)

10.00% – 11.00% per annum Contingent Coupon Callable Yield Notes due April 27, 2021

Linked to the Performance of the Lowest Performing of the Russell 2000® Index and the EURO STOXX 50® Index

The risks set forth in the section entitled “Certain Product Risks” on the preceding page and this section “Additional Risk Considerations” are only intended as summaries of some of the risks relating to an investment in the securities. Prior to investing in the securities, you should, in particular, review the “Certain Product Risks” and “Additional Risk Considerations” sections herein, the “Selected Risk Considerations” section in the preliminary pricing supplement and the “Risk Factors” section in the product supplement, which set forth risks related to an investment in the securities.

You may revoke your offer to purchase the securities at any time prior to the time at which we accept such offer on the date the securities are priced. We reserve the right to change the terms of, or reject any offer to purchase the securities prior to their issuance. In the event of any changes to the terms of the securities, we will notify you and you will be asked to accept such changes in connection with your purchase. You may also choose to reject such changes in which case we may reject your offer to purchase.

This document is a summary of the terms of the securities and factors that you should consider before deciding to invest in the securities. Credit Suisse has filed a registration statement (including preliminary pricing supplement, underlying supplement, product supplement, prospectus supplement and prospectus) with the Securities and Exchange Commission, or SEC, for the offering to which this offering summary relates. Before you invest, you should read this summary together with the Preliminary Pricing Supplement dated April 3, 2018, Underlying Supplement dated June 30, 2017, Product Supplement No. I–B dated June 30, 2017, Prospectus Supplement dated June 30, 2017 and Prospectus dated June 30, 2017, to understand fully the terms of the securities and other considerations that are important in making a decision about investing in the securities. If the terms described in the applicable preliminary pricing supplement are inconsistent with those described herein, the terms described in the applicable preliminary pricing supplement will control. You may get these documents without cost by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, Credit Suisse, any agent or any dealer participating in this offering will arrange to send you the preliminary pricing supplement, underlying supplement, product supplement, prospectus supplement and prospectus if you so request by calling toll-free 1-800-221-1037.

This fact sheet is a general description of the terms of the offering. Please see the full description in the applicable preliminary pricing supplement:

You may access the underlying supplement, product supplement, prospectus supplement and prospectus on the SEC website at www.sec.gov or by clicking on the hyperlinks to each of the respective documents incorporated by reference in the preliminary pricing supplement.

Filed pursuant to Rule 433
Registration Statement No. 333-218604-02
FINANCIAL PRODUCTS
FACT SHEET (U2866)