UPDATE 1-Piraeus Bank says no rights issue planned- spox

* No rights issue planned, Tier 1 at 7.8 pct

* CEO says future profitability to enhance capital adequacy

(Adds CEO comment, background)

ATHENS, June 17 (Reuters) - Piraeus Bank (BOPr.AT), Greece's fourth largest lender, is not planning any rights issue to boost its capital adequacy, its investor relations officer said on Wednesday.

"There are no plans for a rights issue," Piraeus Bank's investor relations officer George Poulopoulos told Reuters.

Greece's largest lender National Bank announced plans for a 1.25 billion euro rights issue a day earlier, sparking talk that other Greek banks would follow suit.

Earlier on Wednesday, EFG Eurobank, Greece's second biggest bank, said it was not planning to tap the market via a rights issue.

Piraeus Bank's CEO Alex Manos said the bank had a strong capital adequacy with its Tier 1 ratio at 9.3 percent in March this year.

"In line with our planning, we believe that the group will achieve satisfactory levels of profitability in the future, capable of enhancing its capital adequacy further," he said in a statement.

He said including a private placement of treasury shares recently and the issue of preferred shares to the government for cash had brought the bank's total capital adequacy ratio at 11.2 percent. (Reporting by George Georgiopoulos; editing by Elaine Hardcastle)