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PRUDENTIAL FINANCIAL INC
> KEI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2010 | KEITHLEY INSTRUMENTS INC | KEI | 115,176 | 20,700 | 2,477,000 | 1,643,000 | $21.51 |
| 06/30/2010 | KEITHLEY INSTRUMENTS INC | KEI | 94,476 | 31,537 | 834,000 | 419,000 | $8.83 |
| 03/31/2010 | KEITHLEY INSTRUMENTS INC | KEI | 62,939 | 36,662 | 415,000 | 293,000 | $6.59 |
| 12/31/2009 | KEITHLEY INSTRUMENTS INC | KEI | 26,277 | -350 | 122,000 | -26,000 | $4.64 |
| 09/30/2009 | KEITHLEY INSTRUMENTS INC | KEI | 26,627 | 407 | 148,000 | 43,000 | $5.56 |
| 06/30/2009 | KEITHLEY INSTRUMENTS INC | KEI | 26,220 | -846 | 105,000 | 6,000 | $4.00 |
| 03/31/2009 | KEITHLEY INSTRUMENTS INC | KEI | 26,440 | -626 | 90,000 | -9,000 | $3.40 |
| 12/31/2008 | KEITHLEY INSTRUMENTS INC | KEI | 27,066 | -625 | 99,000 | -133,000 | $3.66 |
| 09/30/2008 | KEITHLEY INSTRUMENTS INC | KEI | 27,691 | 27,691 | 232,000 | 232,000 | $8.38 |
| 06/30/2008 | KEITHLEY INSTRUMENTS INC | KEI | 27,791 | 1,099 | 264,000 | 5,000 | $9.50 |
| 03/31/2008 | KEITHLEY INSTRUMENTS INC | KEI | 26,692 | -577 | 259,000 | -5,000 | $9.70 |
| 12/31/2007 | KEITHLEY INSTRUMENTS INC | KEI | 27,269 | 100 | 264,000 | -24,000 | $9.68 |
| 09/30/2007 | KEITHLEY INSTRUMENTS INC | KEI | 27,169 | 0 | 288,000 | -53,000 | $10.60 |
| 06/30/2007 | KEITHLEY INSTRUMENTS INC | KEI | 27,169 | 561 | 341,000 | -66,000 | $12.55 |
| 03/31/2007 | KEITHLEY INSTRUMENTS INC | KEI | 26,608 | -200 | 407,000 | 54,000 | $15.30 |
| 12/31/2006 | KEITHLEY INSTRUMENTS INC | KEI | 26,808 | -262 | 353,000 | 8,000 | $13.17 |
| 09/30/2006 | KEITHLEY INSTRUMENTS INC | KEI | 27,070 | -1,061 | 345,000 | -13,000 | $12.74 |
| 06/30/2006 | KEITHLEY INSTRUMENTS INC | KEI | 28,131 | 0 | 358,000 | -74,000 | $12.73 |
| 03/31/2006 | KEITHLEY INSTRUMENTS INC | KEI | 28,131 | -100 | 432,000 | 37,000 | $15.36 |
| 12/31/2005 | KEITHLEY INSTRUMENTS INC | KEI | 28,231 | -155 | 395,000 | -19,000 | $13.99 |
| 09/30/2005 | KEITHLEY INSTRUMENTS INC | KEI | 28,386 | -15,200 | 414,000 | -258,000 | $14.58 |
| 06/30/2005 | KEITHLEY INSTRUMENTS INC | KEI | 43,586 | -8,500 | 672,000 | -168,000 | $15.42 |
| 03/31/2005 | KEITHLEY INSTRUMENTS INC | KEI | 52,086 | 348 | 840,000 | -179,000 | $16.13 |
| 12/31/2004 | KEITHLEY INSTRUMENTS INC | KEI | 51,738 | -2,390 | 1,019,000 | 74,000 | $19.70 |
| 09/30/2004 | KEITHLEY INSTRUMENTS INC | KEI | 54,128 | 6,200 | 945,000 | -117,000 | $17.46 |
| 06/30/2004 | KEITHLEY INSTRUMENTS INC | KEI | 47,928 | 10,984 | 1,062,000 | 386,000 | $22.16 |
| 03/31/2004 | KEITHLEY INSTRUMENTS INC | KEI | 46,128 | 9,184 | 955,000 | 279,000 | $20.70 |
| 12/31/2003 | KEITHLEY INSTRUMENTS INC | KEI | 36,944 | -900 | 676,000 | 141,000 | $18.30 |
| 09/30/2003 | KEITHLEY INSTRUMENTS INC | KEI | 37,844 | -796 | 535,000 | -23,000 | $14.14 |
| 06/30/2003 | KEITHLEY INSTRUMENTS INC | KEI | 38,640 | -2,100 | 558,000 | 118,000 | $14.44 |
| 03/31/2003 | KEITHLEY INSTRUMENTS INC | KEI | 40,740 | -200 | 440,000 | -72,000 | $10.80 |
| 12/31/2002 | KEITHLEY INSTRUMENTS INC | KEI | 40,940 | -1,600 | 512,000 | -5,000 | $12.51 |
| 09/30/2002 | KEITHLEY INSTRUMENTS INC | KEI | 42,540 | -400 | 517,000 | -103,000 | $12.15 |
| 06/30/2002 | KEITHLEY INSTRUMENTS INC | KEI | 42,940 | -1,700 | 620,000 | -361,000 | $14.44 |
| 03/31/2002 | KEITHLEY INSTRUMENTS INC | KEI | 44,640 | -210 | 981,000 | 223,000 | $21.98 |
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