Net income was $17.6 million or $0.44 per unit, for the current period, which included a $2.1 million loss on debt extinguishment. This compares to net income of $10.5 million for the same period last year, which included $10.3 million of loss on debt extinguishment. Rentech Nitrogen generated net income subsequent to its initial public offering (November 9, 2011 through December 31, 2011) of $11.3 million or $0.30 per common unit.
EBITDA for the three months ended December 31, 2012 was $24.3 million, compared to $25.9 million in the corresponding period in 2011. EBITDA for the current period, excluding Partnership level expenses and acquisition costs related to the Pasadena Facility, totaled $28.6 million. The East Dubuque Facility and the Pasadena Facility contributed $30.3 million and ($1.7) million in EBITDA, respectively, during the three months ended December 31, 2012. As part of purchase accounting adjustments related to the acquisition of Agrifos, the value of inventory was increased to fair value as of the closing date, which resulted in an approximately $3.4 million increase in the cost of product sold by the Pasadena Facility during the two-month period ended December 31, 2012. Further explanation of EBITDA, a non-GAAP financial measure has been included below in this press release.
Gross margins for the three months ended December 31, 2012 were 31%, compared to 41% for the same period last year due to the absorption of fixed costs on lower volumes resulting from plant outages in the fourth quarter of 2012, lower prices for most products at the East Dubuque Facility and the contribution of gross profits from the Pasadena Facility, which were lower gross margin sales than those from the East Dubuque Facility. Average natural gas costs in cost of sales for the East Dubuque Facility were $3.44 per MMBtu for the three months ended December 31, 2012, compared to $4.75 per MMBtu for the prior-year period. Average ammonia and sulfur costs in cost of sales for the Pasadena Facility were $658 per ton and $154 per ton, respectively for the current period.