21.

Supplemental Cash Flow Information

Significant non-cash investing and financing activities for the years ended December 31, 2014, 2013 and 2012 are discussed below.

•

We capitalized $21.6 million, $18.8 million and $10.6 million of equity-based compensation expense due to our development and leasing activities during 2014, 2013 and 2012, respectively.

•

As partial consideration for properties we contributed to FIBRA Prologis and the conclusion of an unconsolidated co-investment venture during 2014, we received ownership interests in FIBRA Prologis initially valued at $609.7 million and FIBRA Prologis assumed $345.1 million of secured mortgage debt associated with the properties. See Note 4 for additional information. In 2013, as partial consideration for contributions and dispositions, the buyers assumed debt of $194.9 million.

•

As partial consideration for properties we contributed to PELP during the first quarter of 2013, we received ownership interests initially valued at $1.3 billion, representing a 50% ownership interest in PELP, and PELP assumed $353.2 million of secured mortgage debt.

•

During 2013 and 2012, we received $31.2 million and $17.7 million, representing ownership interests in certain unconsolidated entities as a portion of our proceeds from the contribution of properties to these entities, excluding PELP and FIBRA Prologis.

•

See Note 3 for information related to acquisitions of controlling interests in our unconsolidated co-investment ventures in 2014, 2013 and 2012.