(Reuters) -Dollar Tree ( DLTR ) CEO Rick Dreiling has stepped down as chairman and chief executive officer, the the discount retailer said on Monday.

Operating chief Michael Creedon Jr takes over as interim chief, while Lead Independent Director Edward Kelly has been elected as chairman, it added.

Dreiling, who joined the company as chairman in 2022 and was named as CEO in January 2023, has decided to step down due to health reasons, a company statement said.

Shares of the company, were up about 4% in extended trading.

Dollar Tree ( DLTR ) also reiterated its forecast for the third quarter and its commitment to complete a review of strategic options for the Family Dollar business segment, including a potential sale.

The company said it scouting for a permanent CEO, from among internal and external candidates.