NSE

Transaction in Own Shares • May 15, 2025

PRESS RELEASE

NSE announces the successful disposal of 120 000 treasury shares at a price of €35 per share

Nizerolles, May 15th 2025 – 08h30 – NSE (FR0004065639, ALNSE), specialist in the design, manufacture and maintenance of high-tech electronic equipment particularly for Defence and Civil Aerospace, announces that it has successfully completed the disposal of 120 000 treasury shares, representing approximately 3,5% of its capital.

Terms of the transaction

The disposal of 120 000 treasury shares was carried through a private placement by accelerated bookbuilding ("ABB") reserved to French and European institutional investors at a price of 35 euros per share, for a total amount of 4.2 million euros.

Following the settlement and delivery of the disposed shares, scheduled for May 19th 2025, NSE holds 76 047 treasury shares, representing approximately 2.3% of its share capital, and its free float is increased to approximately 13% of the share capital.

As a reminder, NSE has undertaken for a period of 90 calendar days from the settlement and delivery, not to issue or dispose of shares other than those sold in the transaction, subject to certain usual exceptions.

PRESS RELEASE

Impact of the transaction on the shareholding

	Split of share capital and voting rights
	Before the transaction				After the transaction
Shareholder	Shares	% of share capital	Voting rights	% of voting rights	Shares	% of share capital	Voting rights	% of voting rights
NSE Participations	1 978 025	58.59 %	3 956 050	65.30 %	1 978 025	58.59 %	3 956 050	64.03 %
Crédit Mutuel Equity	684 775	20.28 %	1 369 550	22.61 %	684 775	20.28 %	1 369 550	22.17 %
François Lacoste	192 120	5.69 %	383 680	6.33 %	192 120	5.69 %	383 680	6.21 %
Treasury shares	196 047	5.81 %		0.00 %	76 047	2.25 %		0.00 %
Public	325 144	9.63 %	349 104	5.76 %	445 144	13.19 %	469 104	7.59 %
Total	3 376 111	100%	6 058 384	100%	3 376 111	100%	6 178 384	100%

Intermediary

Portzamparc (BNP Paribas Group) is acting as Sole Global Coordinator and Bookrunner of the transaction.

Next press release: Publication of 2025 half-year revenues, 23 July 2025 after market close

Next General meeting: 24 June 2025 at 10h30 in Bellerive-sur-Allier (near Vichy)

PRESS RELEASE

About NSE

NSE Group specializes in the design, manufacturing, and maintenance of high-tech electronic equipment.

NSE Group operates primarily in the Defence and Civil Aerospace sectors. Founded in 1983, the company is headquartered in Nizerolles (03), in the Auvergne-Rhône-Alpes region of France. As of 2024, NSE is organized with two Business Units:

• Interconnexion, which designs innovative technical products and manufactures integrated equipment for major operators;
• Services, which offers a comprehensive range of high-value-added services both in France and abroad.

NSE operates 8 industrial sites in France and has 5 international subsidiaries. The Group employs over 700 people, including 450 in France and 250 internationally. As of December 31, 2024, NSE reported consolidated revenue of €103.6 million, with 27% generated from international markets.

More information on www.nse-groupe.com

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For further information: Jérôme Fabre – jfabre@nse-groupe.com NSE is listed on Euronext GrowthTM in Paris – Mnemonic: ALNSE - Code ISIN: FR0004065639