| ($ in thousands) | 2004 | 2003 |
| Assets | ||
| Cash and cash equivalents | $124,086 | $93,267 |
| Operating investments, at market | 88,746 | 61,120 |
| Accounts receivable, net | 224,489 | 206,869 |
| Inventories, prepaid expenses, and deferred charges | 39,296 | 60,218 |
| Contributions receivable, net | 40,922 | 37,610 |
| Notes receivable, net of allowances of $1,040 in 2003 and 2003 | 21,297 | 21,034 |
| Other assets | 2,637 | 2,814 |
| Investments held for longterm purposes | 1,429,040 | 1,2749575 |
| Property, plant, and equipment, net | 934,421 | 896,154 |
| Interest in net assets of foundation | 16,920 | 15,572 |
| Investments in perpetual trusts held by others | 50,622 | 43,158 |
| Total Assets | $2,972,476 | $2,712,773 |
| Liabilities and Net Assets | ||
| Liabilities: | ||
| Accounts payable and accrued expenses | $176,748 | $149,584 |
| Advanced receipt of sponsored research revenues | 31,141 | 26,835 |
| Deferred revenue | 40,520 | 38,205 |
| Third-party settlements payable, net | 59,360 | 49,374 |
| Accrued pension, postretirement, postemployment obligations | 113,602 | 98,786 |
| Longterm debt | 504,240 | 444,097 |
| Refundable U.S. grants for student loans | 15,848 | 16,776 |
| Total Liabilities | 941,459 | 823,657 |
| Net assets: | ||
| Unrestricted | 1,587,176 | 1,485,275 |
| Temporarily restricted | 207,447 | 185,099 |
| Permanently restricted | 236,394 | 218,742 |
| Total Net Assets | 2,031,017 | 1,889,116 |
| Total Liabilities and Net Assets | $2,972,476 | $2,712,773 |