Product Terms

If a Trigger Event occurs on any Trigger Observation Date, the securities will be automatically redeemed and you will receive a cash payment equal to the principal amount of securities you hold plus the Automatic Redemption Premium applicable to that Trigger Observation Date.

If the securities are not automatically redeemed and the Final Level of each Underlying is equal to or greater than its Initial Level, you will receive the principal amount at maturity plus a return based on the performance of the Lowest Performing Underlying.

If the securities are not automatically redeemed, the Final Level of any Underlying is less than its Initial Level and a Knock-In Event has not occurred, you will receive the principal amount at maturity.

·	If the securities are not automatically redeemed and a Knock-In Event has occurred, you will be fully exposed to any depreciation in the Lowest Performing Underlying.
·	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 May 24, 2018.
Settlement Date:	Expected to be May 30, 2018
Underlyings:	The S&P 500® Index and the Russell 2000® Index
Automatic Redemption:	If a Trigger Event occurs on any Trigger Observation Date, the securities will be automatically redeemed and you will receive a cash payment equal to the principal amount of securities you hold plus the Automatic Redemption Premium applicable to that Trigger Observation Date. Payment will be made in respect of such redemption on the corresponding Automatic Redemption Date, and no further payments on the securities will be made.
Trigger Event:	Occurs if, on any Trigger Observation Date, the closing level of each Underlying on such Trigger Observation Date is equal to or greater than its respective Trigger Level.
Trigger Level**:	Trigger Observation Date	Trigger Level
	May 24, 2019	(Approximately 101.50% of Initial Level)
	May 26, 2020	(Approximately 103% of Initial Level)
	May 24, 2021	(Approximately 104.50% of Initial Level)
	May 24, 2022	(Approximately 106% of Initial Level)
Trigger Observation Dates**:	May 24, 2019, May 26, 2020, May 24, 2021 and May 24, 2022
Automatic Redemption Dates**:	May 30, 2019, May 29, 2020, May 27, 2021 and May 27, 2022
Automatic Redemption Premium Rate**:	Expected to be between 8.00% and 10.00% per annum
Automatic Redemption Premium**:	For each $1,000 principal amount of securities you hold: · Expected to be between $80 and $100 if a Trigger Event occurs on the first Trigger Observation Date. · Expected to be between $160 and $200 if a Trigger Event occurs on the second Trigger Observation Date. · Expected to be between $240 and $300 if a Trigger Event occurs on the third Trigger Observation Date. · Expected to be between $320 and $400 if a Trigger Event occurs on the fourth Trigger Observation Date.
Knock-In Level**:	For each Underlying, approximately 60% 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 Automatic Redemption, for each $1,000 principal amount of securities, $1,000 x (1 + Underlying Return of the Lowest Performing Underlying).
Lowest Performing Underlying:	The Underlying with the lowest Underlying Return.
Underlying Return:	For each Underlying, (i) if the Final Level of each Underlying is equal to or greater than its Initial Level, [(Final Level – Initial Level)/Initial Level] and (ii) if the Final Level of any Underlying is less than its Initial Level and (a) a Knock-In Event has occurred, [(Final Level – Initial Level)/Initial Level]; or (b) a Knock-In Event has not occurred, then zero.
Valuation Date:	May 24, 2023
Maturity Date:	May 30, 2023
CUSIP:	22550WRK5
Fees:	Certain fiduciary accounts may pay a purchase price of at least $958.75 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 receive varying discounts and commissions of up to $41.25 per $1,000 principal amount of securities. The Agents 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.

Certain Product Characteristics

·	For each Underlying, the Knock-In Level will be approximately 60% of its Initial Level**

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⁾
60%	60%	$1,600
50%	50%	$1,500
40%	40%	$1,400
30%	30%	$1,300
20%	20%	$1,200
10%	10%	$1,100
0%	0%	$1,000
−10%	0%	$1,000
−20%	0%	$1,000
−30%	0%	$1,000
−40%	0%	$1,000
−41%	−41%	$590
−50%	−50%	$500
−60%	−60%	$400

(1)

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.

(2)

Assumes a Knock-In Level of 60%** and that the securities have not been automatically redeemed.

Hypothetical Amounts due upon Automatic Redemption

Trigger Observation Date on Which Securities Are Called	Applicable Automatic Redemption Premium	Redemption Amount per $1,000 Principal Amount⁽¹⁾
1^st	$80	$1,080
2^nd	$160	$1,160
3^rd	$240	$1,240
4^th	$320	$1,320

(1)

This table illustrates the amount that would be due if a Trigger Event occurs on any Trigger Observation Date, based on the bottom of each expected range. If a Trigger Event occurs on any Trigger Observation Date, the securities will be automatically redeemed and investors will receive a cash payment equal to the principal amount of securities they hold plus the Automatic Redemption Premium applicable to that Trigger Observation Date. No further payments on the securities will be made.

Autocallable Securities due May 30, 2023 Linked to the Performance of the Lowest Performing

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, product supplement, underlying 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 30, 2018, Underlying Supplement dated April 19, 2018, 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, product supplement, underlying supplement, prospectus supplement and prospectus if you so request by calling toll-free 1 (800) 221-1037.

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.