WHO WE ARE SERVICES PARTNERS CERTIFICATIONS REFERENCES OUR OFFICES CONTACTS Gruber srl with sole shareholder Headquarters: Via Monte Misone 21 Zona Baltera Centro Archimede 38066 Riva del Garda (TN) Tel 0464 516948 - Fax 0464 517227 info@grubersrl.it VAT 01850370220 Branch: Via Maccani 34 - 38121 Trento Tel 0461 823235 - Fax 0461 421546 infotrento@grubersrl.it

WHO WE ARE SERVICES PARTNERS CERTIFICATIONS REFERENCES OUR OFFICES CONTACTS references Some references of Gruber Srl AMSASPA - Arco CASSA RURALE DI MORI - Mori AUTONOMOUS PROVINCE OF TRENTO - Trento RIVA DEL GARDA FIERECONGRESSI SPA - Riva d / G. LAZZARA REAL ESTATE AGENCY - Riva d / G. ARCESE TRASPORTI SPA - Arco ARREDOBAGNO GOBBI SRL - Mori COSMI SPA - Riva d / G. DORMER ITALIA SPA - Rovereto FLORICULTURE CRETTI DAVIDE - Riva d / G. FLORICULTURE MARTINELLI - Mori IMP. TERMOSANITARI MORELLI SNC - Padergnone MASÈ TERMOIMPIANTI SRL - Strembo MECCANICA DEL SARCA SRL - Pietramurata OMKAFÈ TORREFAZIONE SRL - Riva d / G. POVOLI SNC - Riva d / G. TERMOIDRAULICA 2000 SNC - Riva d / G. SANTONI TULLIO - Dro ALBERGO AL MASO - Riva d / G. HOTEL PALACE HOTEL CITTÀ - Arco APARTMENTS GARDA - Riva d / G. ASTORIA PARK HOTEL - Riva d / G. BLU HOTELS - Monte Bondone CLUB HOTEL LA VELA - Torbole s / G. GRAND HOTEL RIVA - Riva d / G. HOTEL AL SOLE - Arco HOTEL ASTORIA - Malcesine HOTEL BAIA VERDE - Malcesine HOTEL BRIONE - Riva d / G. HOTEL CARAVEL - Torbole s / G. CENTRAL HOTEL - Riva d / G. HOTEL DU LAC ET DU PARK - Riva d / G. HOTEL FLORENCE - Brenzone HOTEL IDEAL - Torbole s / G. HOTEL MAXIMILIAN - Malcesine HOTEL PANORAMA - Malcesine PICCOLO MONDO HOTEL - Torbole s / G. HOTEL SAILING CENTER - Malcesine HOTEL SOLE - Riva d / G. HOTEL VEGA - Malcesine HOTEL VENICE - Malcesine HOTEL VILLA DELLE ROSE - Arco HOTEL VILLA ROSA - Torbole s / G. RESIDENCE MONICA - Riva d / G. BEACH RESIDENCE - Riva d / G. VILLA MARIA - Torbole s / G. Alto Garda Servizi District heating SPA In partnership with Trentina Calore Srl Bank of Italy of Bolzano Bank of Trento and Bolzano Altair barracks Bolzano Municipality of Dro Municipality of Nago Torbole District Heating Plants Municipality of Rovereto INPS of Bolzano Bolzano Metro Italian post ITEA global services contract headquarters in Riva del Garda Trento office UNI EN ISO 9001: 2008 operation and maintenance of heating and air conditioning systems and related electrical installation (excluding design). Gruber srl with sole shareholder VAT number 01850370220 Headquarters: Via Monte Misone 21, 38066 Zona Baltera Centro Archimede, Riva del Garda (TN) Tel 0464 516948 - Fax 0464 517227 info@grubersrl.it Branch: Via Maccani 34 - 38100 Trento Tel 0461 823235 - Fax 0461 421546 infotrento@grubersrl.it