For further details of the Board Effectiveness Review, refer to the Governance Appendix, available on www.crh.com 102-30 Effectiveness of risk management processes p. 55, 59; AR p. 26-29 102-31 Review of economic, environmental and social topics p. 10-13, 64; AR p. 20, 60-63 102-32 Highest governance body's role in sustainability reporting p. 62 102-33 Communicating critical concerns p. 56 102-34 Nature and total number of critical concerns p. 69; GA p. 2,3.