BUZZ-Premier Oil: says debt holders not planning to exit position
** Oil producer Premier Oil (LSE: PMO.L - news) 's shares down 8.5 pct, lowest since April 20
** Co says notes market speculation regarding co's debt holders' activity in secondary market
** Says received assurances that none of its senior lenders, including Lloyds Bank, are exiting loan portfolio
** Reuters reported on Monday that more lenders are selling out of co's syndicated loans as it struggles to refinance debt
** Co has been in talks to amend loan covenants, extend maturity of some of its debt beyond 2017; says on Tuesday that discussions with lending groups continue
** Nearly 3x 30-day avg vols gone through; stock bottom of the FTSE All Share Oil & Gas Index (Reuters Messaging: pranav.kiran@thomsonreuters.com@reuters.net)