AKTIENGESELLSCHAFT am Main

First Supplement as of 7 March 2018 in accordance with § 16 of the German Securities Prospectus Act (WpPG) to the Base Prospectus relating to Unlimited Index Securities dated 22 February 2018

Right of withdrawal of the investors

Investors who have already agreed to purchase or subscribe for the securities before the Supplement is published shall have the right, exercisable within two working days after the publication of the supplement, to withdraw their acceptances, provided that the new factor arose before the final closing of the offer to the public and the delivery of the securities.

The withdrawal of acceptance must be addressed to the vendor of the securities. If COMMERZBANK Aktiengesellschaft was the counterparty in the purchase, the withdrawal has to be sent to COMMERZBANK Aktiengesellschaft, GS-MO 2.1.5 New Issues & SSD Services, Kaiserstraße 16 (Kaiserplatz), 60311 Frankfurt am Main, Federal Republic of . The withdrawal does not have to provide any grounds and has to be provided in text form; dispatch of the withdrawal in good time is sufficient to comply with the time limit.

On 7 March 2018 COMMERZBANK Aktiengesellschaft has decided to supplement the Index Description in the above-mentioned Base Prospectus. Therefore the following amendment shall be made:

In section "Placeholder Details for Share" the table in the definition of "Share, Company", "Share, Company, ISIN" and "Exchange" (p. 119) shall be amended as follows:

I. The table shall be supplemented by the following:

Share, Company and Share, Company, ISIN Exchange Share of Aroundtown SA (ISIN LU1673108939) (XETRA) Share of Aumann AG (ISIN DE000A2DAM03) Frankfurt Stock Exchange (XETRA) Share of Isra Vision AG (ISIN DE0005488100) Frankfurt Stock Exchange (XETRA) Share of Healthineers AG (ISIN DE000SHL1006) Frankfurt Stock Exchange (XETRA)

II. In the table the following Share, Company and Share, Company, ISIN should be replaced as follows:

OLD NEW Share, Company and Share, Company, ISIN Share, Company and Share, Company, ISIN Share of KappAhl AB (publ) Share of KappAhl AB (publ) (ISIN SE0001630880) (ISIN SE0010520981)

III. In the table the following Exchange should be replaced as follows:

Share, Company and Share, Company, ISIN OLD NEW Exchange Exchange ADR of Open Joint Stock Company Vimpel- New York Stock Exchange, The Nasdaq Stock Communications (ISIN US91822M1062) Inc. Market, Inc. Share of Xcel Energy Inc. (ISIN US98389B1008) New York Stock Exchange, The Nasdaq Stock Inc. Market, Inc. Share of PepsiCo, Inc. (ISIN US7134481081) New York Stock Exchange, The Nasdaq Stock Inc. Market, Inc.

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