| ($ in thousands) | 2003 | 2002 |
| Assets | ||
| Cash and cash equivalents | $148,637 | $138,640 |
| Operating investments, at market | 17,028 | — |
| Accounts receivable, net | 206,291 | 197,334 |
| Inventories, prepaid expenses, and deferred charges | 58,634 | 50,235 |
| Contributions receivable, net | 37,610 | 40,329 |
| Notes receivable, net of allowances of $1,040 in 2003 and 2003 | 21,034 | 21,280 |
| Other assets | 2,814 | 4,156 |
| Investments held for longterm purposes | 1,263,757 | 1,268,995 |
| Property, plant, and equipment, net | 896,154 | 928,964 |
| Interest in net assets of foundation | 15,572 | 18,046 |
| Investments in perpetual trusts held by others | 43,158 | 43,361 |
| Total Assets | $2,710,689 | $2,711,240 |
| Liabilities and Net Assets | ||
| Liabilities: | ||
| Accounts payable and accrued expenses | $149,584 | $134,197 |
| Advanced receipt of sponsored research revenues | 26,835 | 27,133 |
| Deferred revenue | 36,121 | 33,676 |
| Third-party settlements payable, net | 49,374 | 55,344 |
| Accrued pension, postretirement, postemployment obligations | 98,786 | 74,858 |
| Longterm debt | 444,097 | 468,978 |
| Refundable U.S. grants for student loans | 16,776 | 16,593 |
| Total Liabilities | 821,573 | 810,779 |
| Net assets: | ||
| Unrestricted | 1,485,275 | 1,504,843 |
| Temporarily restricted | 185,099 | 183,507 |
| Permanently restricted | 218,742 | 212,111 |
| Total Net Assets | 1,889,116 | 1,900,461 |
| Total Liabilities and Net Assets | $2,710,689 | $2,711,240 |