SUB-ITEM 77H
MFS Series Trust XI on behalf of:
Union Standard Equity Fund
Vertex All Cap Fund
Vertex Contrarian Fund
Vertex U.S. All Cap Fund - Terminated 12/99
As of March 31, 2000, the following entity acquired control and now beneficially
owns more than 25% of the shares of the respective Series:
<TABLE>
<CAPTION>
Series Owner and Address % of Shares Owned
<S> <C> <C>
Union Standard Equity Fund Frank M Vaccaro Consulting Admin. 37.94%
I Shares UFCW Participating Food Ind
Employers Tri-State Pension Fund
Fairway Corporate Center
4350 Haddonfield Rd, Ste 311
Pennsauken NJ 08109-3377
</TABLE>
As of March 31, 2000, the following entity no longer owns more than 25% of the
shares of the respective Series:
<TABLE>
<CAPTION>
Series Owner and Address
<S> <C>
Union Standard Equity Fund MLPF&S For the Sole Benefit of Its Customers
A Shares Attn Fund Admin. 97RL1
4800 Deer Lake Dr. E 3rd Fl
Jacksonville, FL 32246-6484
</TABLE>
There were no other changes in control of registrant for the semi-annual period
ending March 31, 2000.
