US Oncology Reports First Quarter 20...(relationships to include reimburse...),Health

include reimbursement services and managed care contracting.

-- Launching our Cancer Care Management program nationwide to expand our

value proposition to payers.

-- Leveraging our research leadership position, to launch programs to

support the growth in personalized medicine."

Results of Operations

The Company operates and manages its business through four operating segments. The table below compares the results of the first quarter of 2008 to the results of the corresponding period of the prior year and the preceding quarter (in millions).

Q1 Q1 % Q4 %

2008 2007 Change 2007 Change

Revenue

Medical oncology services $552.8 $521.9 5.9 $529.4 4.4

Cancer center services 90.1 84.3 6.9 87.1 3.4

Pharmaceutical services 610.6 541.4 12.8 599.7 1.8

Research and other 13.0 13.0 - 12.3 5.7

Eliminations(1) (455.9) (428.6) (6.4) (456.9) 0.2

Total $810.6 $732.0 10.7 $771.6 5.1

Adjusted EBITDA(3)

Medical oncology services $18.6 $24.8 (25.0) $19.3 (3.6)

Cancer center services 31.1 29.5 5.4 29.9 4.0

Pharmaceutical services 22.7 22.4 1.3 29.4 (22.8)

Research and other (0.9) 0.5 nm(4) (0.3) nm(4)

Corporate costs(2) (19.4) (20.0) 3.0 (20.3) 4.4

Total $52.1 $57.2 (8.9) $58.0 (10.2)

Operating cash flow $50.9 $23.7 nm(4) $74.2 (31.4)

(1) Eliminations represent the sale of pharmaceuticals from our

distribution center (pharmaceutical services segment) to our practices

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