Compagnie De Saint-gobain SaEURONEXT: SGO

Reporting on share buyback transactions carried out between March 23 and March 27, 2026

· Issued by Compagnie de Saint-Gobain SA


March 30, 2026

Reporting on share buyback transactions carried out in accordance with Article 5 §2 of Regulation (EU) No 596/2014 of April 16, 2014 on market abuse

Share buyback program authorized by the Annual General Meeting of June 5, 2025 (16th resolution)

In accordance with applicable regulations, Compagnie de Saint-Gobain announces having carried out the following share buyback transactions in accordance with Article 5 §2 of Regulation (EU) No 596/2014 from March 23 to March 27, 2026

Issuer: Compagnie de Saint-Gobain

Security type: SHARES - ISIN Code : FR0000125007

Transaction date

Total daily volume (number of shares bought back)

Daily weighted average purchase price

Amount (in euros)

Market (MIC Code)

2026-03-23

200,000

67.766

13,553,240

XPAR/CEUX/TQEX/AQEU

2026-03-24

200,000

70.284

14,056,800

XPAR/CEUX/TQEX/AQEU

2026-03-26

153,600

70.723

10,862,976

XPAR/CEUX/TQEX/AQEU

2026-03-27

200,000

68.944

13,788,740

XPAR/CEUX/TQEX/AQEU

Total over the period

753,600

69.349

52,261,756

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