EXHIBIT 21 SUBSIDIARIES Mark Centers Limited Partnership Mark Manahawkin Realty Corp. Mark Manahawkin, L.P. Mark 25th Street Realty Corp. Mark 25th Street, L.P. Mark Shillington Realty Corp. Mark Shillington, L.P. Mark Berlin Realty Corp. Mark Berlin,...

                          EXHIBIT 21
                         SUBSIDIARIES

Mark Centers Limited Partnership

Xxxx Xxxxxxxxxx Realty Corp.
Mark Manahawkin, L.P.

Mark 25th Street Realty Corp.
Mark 25th Street, L.P.

Xxxx Xxxxxxxxxxx Realty Corp.
Xxxx Xxxxxxxxxxx, L.P.

Xxxx Xxxxxx Realty Corp.
Xxxx Xxxxxx, L.P.

Mark Four Realty Corp.
Mark Four Realty, L.P.

Mark Kings Fairground Realty Inc.
Mark Kings Fairground, L.P.

Xxxx X.X.X.X. Realty Inc.
Xxxx X.X.X.X., L.P.

Mark Martintown Realty Inc.
Xxxx Xxxxxxxxxx, L.P.

Mark New Smyrna Realty Inc.
Mark New Smyrna, L.P.

Mark Northwood Realty Inc.
Xxxx Xxxxxxxxx Associates, L.P.

Xxxx Xxxx Plaza Realty Inc.
Xxxx Xxxx Plaza, L.P.

Xxxx Xxxxxxxxxxx Realty Corp.
Xxxx Xxxxxxxxxxx, L.P.

Mark Three Realty Corp.
Mark Three Realty, L.P.

Xxxx Xxxx Realty Inc.
Xxxx Xxxx, L.P.

Mark Twelve Associates, L.P.