The corrections listed in this errata sheet apply to ANSI/ASHRAE/IES Standard 90.1-2010, SI edition. The first printing is identified on the outside back cover of the standard as "Product Code: 86269 4/11", the second printing is identified as "Product Code: 86269 8/11 Errata noted in the list dated 07/20/2011 have been corrected.", the third printing is identified as "3/12", and the fourth printing is identified as "10/13". Shaded items have been added since the previously published errata sheet dated June 13, 2016 was distributed. Items identified with an asterisk "*" apply only to the first printing and have already been incorporated into the second printing (included in 7/20/2011 errata). The item highlighted in yellow applies only to the third (3/12) and fourth (10/13) printings and are correct in the other printings of the standard.