Share buy-back program: Declaration of transactions conducted by Wavestone on its own shares from September 21 to 25, 2026

Issuer name	Issuer identification code	Transaction date	Financial instrument identification code	Total number of shares	Weighted average price (€)	Market
WAVESTONE	969500GSN25I3B3X6F94	09/22/2026	FR0004036036	1,797	29.50	XPAR (Euronext – Euronext Paris)
WAVESTONE	969500GSN25I3B3X6F94	09/23/2026	FR0004036036	2,000	29.50	XPAR (Euronext – Euronext Paris)
WAVESTONE	969500GSN25I3B3X6F94	09/24/2026	FR0004036036	1,144	29.4063	XPAR (Euronext – Euronext Paris)
WAVESTONE	969500GSN25I3B3X6F94	09/25/2026	FR0004036036	3,739	29.2535	XPAR (Euronext – Euronext Paris)

About Wavestone

Wavestone is a leading consulting firm operating at the intersection of business and technology. The firm helps organizations scale new ways of working, transform operations, and reinvent business models in the age of AI.

With 6,000 employees across Europe and North America, Wavestone delivers end-to-end consulting services that combine business, transformation, and technology expertise. The firm integrates AI across its capabilities and delivery approach, helping clients turn potential into tangible, sustainable value.

Wavestone is listed on Euronext Paris and is certified as a Great Place to Work®.

Wavestone
Pascal IMBERT
CEO
Tel.: +33 (0)1 49 03 20 00
Benjamin CLEMENT
Financial Communication
Tel.: +33 (0)1 49 03 20 00

Actus
Mathieu OMNES
Investor and Analyst Relations
Tel.: +33 (0)1 53 67 36 92
Déborah SCHWARTZ
Press relations
Tel.: +33 (0)1 53 67 36 35

This publication embed “🔒 Actusnews SECURITY MASTER“.
– SECURITY MASTER Key: yWpqaJRoaZnFnG1uZJuXnJdoaWxkxGCYaZWVl5VvlJnJb5pllGyUmJeSamlhmWts
– Check this key: https://www.security-master-key.com.

Regulated information