SPECTRA ENERGY CORP

CUSIP: 847560109 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q3 2015
Shares 15,375 Value ($000) $404 Avg Close — Range —
Q2 2015
Shares 15,275 Value ($000) $498 Avg Close — Range —
Q1 2015
Shares 15,350 Value ($000) $555 Avg Close — Range —
Q4 2014
Shares 15,350 Value ($000) $557 Avg Close — Range —
Q3 2014
Shares 15,250 Value ($000) $599 Avg Close — Range —
Q2 2014
Shares 14,950 Value ($000) $635 Avg Close — Range —
Q1 2014
Shares 14,600 Value ($000) $539 Avg Close — Range —
Q4 2013
Shares 14,350 Value ($000) $511 Avg Close — Range —
Q3 2013
Shares 13,925 Value ($000) $477 Avg Close — Range —
Q2 2013
Shares 13,925 Value ($000) $480 Avg Close — Range —