Exhibit 99.1350CERT
Certification Pursuant to Rule 30a-2(b) under the 1940 Act and
Section 906 of the Sarbanes Oxley Act
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock Mid Cap Value Opportunities Fund of
BlackRock Mid Cap Value Opportunities Series, Inc. (the “registrant”), hereby certifies, to the best of her
knowledge, that the registrant's Report on Form N-CSR for the period ended January 31, 2010, (the
“Report”) fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as
amended, and that the information contained in the Report fairly presents, in all material respects, the
financial condition and results of operations of the registrant.
Date: March 19, 2010
/s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer (principal executive officer) of
BlackRock Mid Cap Value Opportunities Fund of BlackRock Mid Cap Value Opportunities Series, Inc.
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock Mid Cap Value Opportunities Fund of
BlackRock Mid Cap Value Opportunities Series, Inc. (the “registrant”), hereby certifies, to the best of his
knowledge, that the registrant's Report on Form N-CSR for the period ended January 31, 2010, (the
“Report”) fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as
amended, and that the information contained in the Report fairly presents, in all material respects, the
financial condition and results of operations of the registrant.
Date: March 19, 2010
/s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock Mid Cap Value Opportunities Fund of BlackRock Mid Cap Value Opportunities Series, Inc.
This certification is being furnished pursuant to Rule 30a-2(b) under the Investment Company Act of 1940,
as amended, and 18 U.S.C. Section 1350 and is not being filed as part of the Form N-CSR with the
Securities and Exchange Commission.