Kohlberg Kravis Roberts & Co.

• 10% owner at AMEDISYS INC · on record since Oct 31, 2013
• 10% owner at HCA INC/TN · on record since Apr 29, 2008
• 10% owner at OREGON STEEL MILLS INC · on record since Apr 7, 2026
• See Footnotes (2) - (9) at JAZZ PHARMACEUTICALS INC · on record since Sep 28, 2011
• 10% owner at WILLBROS GROUP INC · on record since Apr 9, 2015
• 10% owner at HCC INSURANCE HOLDINGS INC/DE/ · on record since Apr 21, 2017