CMS ENERGY CORP

CUSIP: 125896BD1 Class: CNV

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2014
Shares 1,041,069 Value ($000) $30,482 Avg Close — Range —
Q4 2013
Shares 1,603,859 Value ($000) $42,935 Avg Close — Range —
Q3 2013
Shares 1,581,894 Value ($000) $41,635 Avg Close — Range —
Q2 2013
Shares 1,602,642 Value ($000) $43,576 Avg Close — Range —