2 On February 13, 2015, the Compensation Committee of our Board of Directors approved the vesting of 48,229 performance share units that were granted in 2012 and 
outstanding as of January 31, 2015. Those units were earned and vested at 75% based on the defined performance criteria above. For purposes of this footnote only, 
No performance share units were earned and vested in 2014. As of January 31, 2015, our current and non-current other liabilities included a 
total of $8 for performance share units. As of January 31, 2015, the remaining unrecognized stock-based compensation expense for 
unvested performance share units was $6, which is expected to be recognized over a weighted-average period of 21 months.
performance share units are stated in exact units instead of millions.