Business
Block Listing Six Monthly return
Gattaca PLC reports a block listing six-monthly return for the period from April 1, 2025, to September 30, 2025. The number of securities not issued under the scheme from the previous return was 392,942. There was no increase to the block scheme during this period. The number of securities issued or allotted under the scheme during the period was zero, leaving a balance of 392,942 unallotted securities. The company originally admitted 25,000 ordinary shares on December 4, 2006, and additional ordinary shares on various dates, with the latest being 657,000 ordinary shares on October 3, 2018. The total number of securities in issue at the end of the period is 31,532,686. Disclaimer*

About this update from Gattaca Plc
BLOCK LISTING SIX MONTHLY RETURN Date: 13 October 2025 Name of applicant : GATTACA PLC Name of scheme: Gattaca plc: Long-Term Incentive Plan, Deferred Share Bonus Plan, Enterprise Management Incentive Plan and Share Incentive Plan Period of return: From: 1 April 2025 To: 30 September 2025 Number and class of securities not issued under the scheme from previous return: 392,942 The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for): 0 Number of securities issued/allotted under the scheme during the period: 0 Balance of unallotted securities under the scheme at the end of the period: 392,942 Number and class of securities originally admitted and the date of submission: 25,000 ordinary shares - 4 December 2006 93,420 ordinary shares - 11 June 2007 75,000 ordinary shares - 4 June 2009 100,000 ordinary shares - 13 January 2011 200,000 ordinary shares - 19 February 2013 500,000 ordinary shares - 22 January 2014 500,000 ordinary shares - 9 April 2014 600,000 ordinary shares - 13 December 2016 657,000 ordinary shares - 3 October 2018 Total number of securities in issue at the end of the period 31,532,686 Name of contact: Mark Spickett Company Secretary, Gattaca plc Telephone number of contact: 1450 Parkway, Solent Business Park, Fareham, Hampshire, PO15 7AF 01489 89 89 89