Extension of Deadline In Accordance with Rule 2.6(c) of the Irish Takeover Rules

The Board of MariaDB plc (NYSE: MRDB) (“MariaDB” or the “Company”) confirms that the Irish Takeover Panel has consented, at the request of the board of directors of the Company (the "Board") made in accordance with Rule 2.6(c) of the Irish Takeover Rules, to the extension to 5:00 pm (New York time) on Friday, April 12^th, 2024 (the "Extended Deadline") of the deadline provided for in Rule 2.6(a) of the Irish Takeover Rules, by which K1 Investment Management LLC ("K1") is to either (i) announce a firm intention to make an offer for the Company in accordance with Rule 2.7 of the Irish Takeover Rules or (ii) announce that it does not intend to make an offer for the Company, in which case the announcement will be treated as a statement to which Rule 2.8 of the Irish Takeover Rules applies.

The Board have requested this extension to facilitate ongoing discussions between the Company and K1, which the Board expects to be concluded before the Extended Deadline. The continued discussions may or may not lead to an offer being made for the entire share capital of the Company. There can be no certainty that any offer will be made. A further announcement will be made if and when appropriate.

In accordance with Rule 2.6(a) of the Irish Takeover Rules, K1 is required, no later than the Extended Deadline to either (i) announce a firm intention to make an offer for the Company in accordance with Rule 2.7 of the Irish Takeover Rules or (ii) announce that it does not intend to make an offer for the Company, in which case the announcement will be treated as a statement to which Rule 2.8 of the Irish Takeover Rules applies. The Extended Deadline will only be further extended with the consent of the Irish Takeover Panel in accordance with Rule 2.6(c) of the Takeover Rules, at the request of the Company.

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