Inpost S.A.

Major Shareholding Notification • May 26, 2023

Appendix– Notification of major holdings

Advent International Corporation controls AI PRIME & CY SCA's and Advent Global Opportunities Master Limited Partnership's shareholdings in InPost S.A. through the following controlled undertakings. AI PRIME (Luxembourg) Bidco S.à.r.l. is a direct wholly-owned subsidiary of AI PRIME & CY SCA.

(1) Advent International GPE VIII, LLC

• GPE VIII GP LP
• GPE VIII GP (Cayman) LP
• GPE VIII GP-DE Holdco LP
• GPE VIII GP S.a.r.l.
• AP GPE VIII GP LP
• Advent International GPE VIII LP
• Advent International GPE VIII-A LP
• Advent International GPE VIII-B LP
• Advent International GPE VIII-B-1 LP
• Advent International GPE VIII-B-2 LP
• Advent International GPE VIII-B-3 LP
• Advent International GPE VIII-C LP
• Advent International GPE VIII-D LP
• Advent International GPE VIII-E LP
• Advent International GPE VIII-F LP
• Advent International GPE VIII-G LP
• Advent International GPE VIII-H LP
• Advent International GPE VIII-I LP
• Advent International GPE VIII-J LP
• Advent International GPE VIII-K LP
• Advent International GPE VIII-L LP
• Advent Partners GPE VIII LP
• Advent Partners GPE VIII-A LP
• Advent Partners GPE VIII CAYMAN LP
• Advent Partners GPE VIII-A CAYMAN LP
• Advent Partners GPE VIII-B CAYMAN LP
• AI PRIME Holding (Cayman) Limited
• AI Prime (Luxembourg) Holding S.à.r.l.
• AI Global Investments & CY SCA
• AI PRIME (Luxembourg) S.à.r.l.
• AI PRIME (Luxembourg) Subco S.à.r.l.
• AI PRIME GP S.à.r.l.
• AI PRIME & CY SCA (direct shareholder in InPost S.A.)
• AI PRIME (Luxembourg) Bidco S.à.r.l. (direct shareholder in InPost S.A.)

(2) Advent Global Opportunities GP LLC

• Advent Global Opportunities GP LP
• Advent Global Opportunities Master Limited Partnership (formerly Sunley House Capital Master LP) (direct shareholder in InPost S.A.)