SUMMIT MIDSTREAM PARTNERS LP

CUSIP: 866142102 Class: CMN

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014
Shares 275,000 Value ($000) $10,450 Avg Close — Range —
Q3 2014
Shares 145,907 Value ($000) $7,421 Avg Close — Range —
Q2 2014
Shares 227,500 Value ($000) $11,568 Avg Close — Range —
Q1 2014
Shares 227,500 Value ($000) $9,749 Avg Close — Range —
Q4 2013
Shares 209,700 Value ($000) $7,686 Avg Close — Range —
Q3 2013
Shares 209,700 Value ($000) $7,119 Avg Close — Range —
Q2 2013
Shares 230,200 Value ($000) $7,861 Avg Close — Range —