The estimated demand for OPEC crude for 2013 has seen a downward adjustment of 0.1 mb/d from the previous report to stand at 29.7 mb/d, showing negative growth of 0.4 mb/d, compared with the previous year. Within the quarters, the first, third and fourth quarters saw downward revisions of 0.1 mb/d, while the second remained unchanged from the previous assessment. The first quarter is estimated to increase by 0.3 mb/d versus the same quarter last year. However, all the other quarters are expected to see negative growth, with the bulk of the decrease coming in the second quarter, falling by 0.7 mb/d. the third and fourth quarters are forecast to drop by 0.6 mb/d and 0.4 mb/d respectively.