CIGNA CORPORATION

CUSIP: 125509109 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q3 2018
Shares 219,258 Value ($000) $45,660 Avg Close — Range —
Q2 2018
Shares 232,241 Value ($000) $39,469 Avg Close — Range —
Q1 2018
Shares 220,084 Value ($000) $36,917 Avg Close — Range —
Q4 2017
Shares 317,350 Value ($000) $64,451 Avg Close — Range —
Q3 2017
Shares 322,073 Value ($000) $60,208 Avg Close — Range —
Q2 2017
Shares 326,617 Value ($000) $54,672 Avg Close — Range —
Q1 2017
Shares 275,127 Value ($000) $40,303 Avg Close — Range —
Q4 2016
Shares 228,142 Value ($000) $30,432 Avg Close — Range —
Q3 2016
Shares 317,259 Value ($000) $41,345 Avg Close — Range —
Q2 2016
Shares 338,760 Value ($000) $43,358 Avg Close — Range —
Q1 2016
Shares 370,170 Value ($000) $50,802 Avg Close — Range —
Q4 2015
Shares 371,730 Value ($000) $54,395 Avg Close — Range —
Q3 2015
Shares 475,369 Value ($000) $64,184 Avg Close — Range —
Q2 2015
Shares 445,529 Value ($000) $72,176 Avg Close — Range —
Q1 2015
Shares 365,999 Value ($000) $47,375 Avg Close — Range —
Q4 2014
Shares 371,579 Value ($000) $38,239 Avg Close — Range —
Q3 2014
Shares 359,619 Value ($000) $32,614 Avg Close — Range —
Q2 2014
Shares 358,289 Value ($000) $32,952 Avg Close — Range —
Q1 2014
Shares 365,959 Value ($000) $30,642 Avg Close — Range —
Q4 2013
Shares 365,689 Value ($000) $31,990 Avg Close — Range —
Q3 2013
Shares 371,799 Value ($000) $28,576 Avg Close — Range —
Q2 2013
Shares 388,059 Value ($000) $28,130 Avg Close — Range —