PARIS, June 21 (Reuters) - France's main gas supplier Engie has no issues so far in supplying its customers despite tensions in Europe due to reduced gas flows from Russia, a company executive said on Tuesday.

Cecile Preveu, deputy director in charge of "Energy Solutions", told reporters the company was continuing to diversify its supply base, notably via Algeria and Norway, adding gas stocks were about 60% full. (Reporting by Benjamin Mallet, writing by Silvia Aloisi; editing by Richard Lough)