PARIS—French sugar and ethanol group Tereos said on Monday its subsidiary Tereos Finance Groupe I intended to issue 300 million euros ($340.17 million) in senior unsecured notes, subject to market conditions, to repay some of its existing debt. The bond would be due in 2027, it said in a financial release posted on its website. The group had already issued similar notes in October 2020, due in 2025. Tereos, the world’s second-largest sugar producer by volume, had been grappling with low prices after the end of European sugar quotas in 2017, which hit the group’s results for several years and drove up its debt levels. After a major management reshuffle at the end of 2020, the new leadership had said lowering the group’s debt level was one of its priorities. Last year it said it was selling its minority stake in two starch joint ventures in China as part of …