VANGUARD(R) Fixed Income FUnds VANGUARD High-Yield Corporate Fund VANGUARD Long-Term Investment Grade Fund VANGUARD GNMA Fund Addendum to Wellington Management Company LLC Agreement DATED MAY 1, 2006 For Wellington Management Company LLC,an amended...Vanguard Fixed Income Securities Funds • September 27th, 2006
VANGUARD High-Yield Corporate Fund VANGUARD Long-Term Investment Grade Fund VANGUARD GNMA Fund Addendum to Wellington Management Company LLC Agreement DATED MAY 1, 2006
