hasregistered $750 million of common units, preferred units and partnershipsecurities.

Thesecurities consist of a primary offering of $657.5 million of common units,preferred units and partnership securities and a secondary offering by sellingsecurity holders of 2,416,987 Tallgrass common units, according to an April 28SEC filing.

The sellingsecurity holders acquired the common units through a private placement for$90.0 million.

Tallgrassand the selling holders may offer and sell the securities from time to time,according to the filing.

Tallgrassplans to use the proceeds from the sale for general partnership purposes,including paying part of its outstanding indebtedness or funding workingcapital, CapEx or acquisitions.