Striker Michal Kucharczyk, midfielder Tomasz Jodlowiec and defender Kamil Gilk were all missing from Smuda’s squad.
Smuda said: “I would like to thank them because they gave it their best, they worked at full capacity and I hope they stay in contention for squads in the future.”
Poland face Greece, Czech Republic and Russia in Group A.
Smuda said: “All four (in the group) have chance, but Russia is the favourite. The first match against Greece will set the pace.”
Poland squad for Euro 2012:
Goalkeepers: Szczesny (Arsenal), Tyton (PSV Eindhoven), Sandomierski (Jagiellonia Bialystok)
Defenders: Piszczek (Borussia Dortmund), Wasilewski (Anderlecht), Wawrzyniak (Legia Warsaw), Kaminski (Lech Poznan), Wojtkowiak (Lech Poznan), Boenisch (Werder Bremen), Perquis (Sochaux)
Midfielders: Polanski (Mainz), Dudka (Auxerre), Matuszczyk (Fortuna Duesseldorf), Mierzejewski (Trabzonspor), Blaszczykowski (Borussia Dortmund), Obraniak (Bordeaux), Rybus (Terek Grozny), Grosicki (Sivasspor), Murawski (Lech Poznan), Wolski (Legia Warsaw)
Forwards: Lewandowski (Borussia Dortmund), Sobiech (Hanover), Brozek (Celtic)