BASF SE: Release of a capital market information

Disclosure according to art. 5 para. 1 lit. b) and para. 3 of the Regulation (EU) no. 596/2014 in connection with art. 2 para. 2 and para. 3 of the Delegated Regulation (EU) no. 2016/1052

Share buyback – 28th Interim Report

Ludwigshafen – May 18, 2026 – In the period from May 11, 2026, until and including May 15, 2026, a number of 983,903 shares were bought back within the framework of the share buyback program of BASF SE; on November 3, 2025, BASF SE disclosed pursuant to art. 5 para. 1 lit. a) of the Regulation (EU) no. 596/2014 and art. 2 para. 1 of the Delegated Regulation (EU) no. 2016/1052 the start of the share buyback on November 3, 2025.

The number of shares bought back daily and the daily volume-weighted average share prices are as follows:

Day of repurchase	Aggregated volume (number of shares)	Volume-weighted average share price (EUR)	Exchange venue
05/11/2026	316,933	53.2172	XETA
05/11/2026	151,474	53.2098	CEUX
05/12/2026	70,000	53.4052	XETA
05/13/2026	70,000	54.0332	XETA
05/14/2026	50,000	53.7272	XETA
05/15/2026	325,496	52.7757	XETA

The transactions in a detailed form are published on the website of BASF SE at www.basf.com/sharebuyback.

The total volume of shares which have been bought back within the framework of the share buyback program in the period from November 3, 2025, until and including May 15, 2026, amounts to a number of 25,316,978 shares.

The purchase of the shares of BASF SE is carried out by a bank that has been commissioned by BASF SE; the shares are purchased on the electronic trading platform of the Frankfurt Stock Exchange (Xetra) as well as other trading facilities.

Contact
Dr. Stefanie Wettberg
BASF Investor Relations
+49 621-60-48002
stefanie.wettberg@basf.com