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Hanson & Doremus Investment Management
> POLY
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2022 | PLANTRONICS INC /CA/ | POLY | 5,110 | -938 | 203,000 | -35,000 | $39.73 |
| 03/31/2022 | PLANTRONICS INC /CA/ | POLY | 6,048 | 0 | 238,000 | 61,000 | $39.35 |
| 12/31/2021 | PLANTRONICS INC /CA/ | POLY | 6,048 | 0 | 177,000 | 22,000 | $29.27 |
| 09/30/2021 | PLANTRONICS INC /CA/ | POLY | 6,048 | -949 | 155,000 | 72,000 | $25.63 |
| 06/30/2021 | PLANTRONICS INC /CA/ | POLY | 6,997 | 0 | 83,000 | -106,000 | $11.86 |
| 12/31/2020 | PLANTRONICS INC /CA/ | POLY | 6,997 | 0 | 189,000 | 106,000 | $27.01 |
| 09/30/2020 | PLANTRONICS INC /CA/ | POLY | 6,997 | -3,362 | 83,000 | -69,000 | $11.86 |
| 06/30/2020 | PLANTRONICS INC /CA/ | POLY | 10,359 | -8,434 | 152,000 | 151,811 | $14.67 |
| 03/31/2020 | PLANTRONICS INC /CA/ | POLY | 18,793 | -417 | 189 | -524,811 | $0.01 |
| 12/31/2019 | PLANTRONICS INC /CA/ | POLY | 19,210 | 1,903 | 525,000 | -121,000 | $27.33 |
| 09/30/2019 | PLANTRONICS INC /CA/ | POLY | 17,307 | 1,051 | 646,000 | 44,000 | $37.33 |
| 06/30/2019 | PLANTRONICS INC /CA/ | POLY | 16,256 | 131 | 602,000 | 601,256 | $37.03 |
| 03/31/2019 | PLANTRONICS INC /CA/ | POLY | 16,125 | 923 | 744 | -502,256 | $0.05 |
| 12/31/2018 | PLANTRONICS INC /CA/ | POLY | 15,202 | 3,220 | 503,000 | 502,277 | $33.09 |
| 09/30/2018 | PLANTRONICS INC /CA/ | POLY | 11,982 | -29 | 723 | -915,277 | $0.06 |
| 06/30/2018 | PLANTRONICS INC /CA/ | POLY | 12,011 | -1,720 | 916,000 | 87,000 | $76.26 |
| 03/31/2018 | PLANTRONICS INC /CA/ | POLY | 13,731 | 1,120 | 829,000 | 194,000 | $60.37 |
| 12/31/2017 | PLANTRONICS INC /CA/ | POLY | 12,611 | 0 | 635,000 | 634,442 | $50.35 |
| 09/30/2017 | PLANTRONICS INC /CA/ | POLY | 12,611 | 0 | 558 | -659,442 | $0.04 |
| 06/30/2017 | PLANTRONICS INC /CA/ | POLY | 12,611 | -490 | 660,000 | -49,000 | $52.34 |
| 03/31/2017 | PLANTRONICS INC /CA/ | POLY | 13,101 | 13,101 | 709,000 | 709,000 | $54.12 |
| 03/31/2012 | PLANTRONICS INC /CA/ | POLY | 0 | -15,431 | 0 | -550,000 | |
| 12/31/2011 | PLANTRONICS INC /CA/ | POLY | 15,431 | 15,431 | 550,000 | 550,000 | $35.64 |
| 06/30/2011 | PLANTRONICS INC /CA/ | POLY | 0 | -27,606 | 0 | -1,010,932 | |
| 03/31/2011 | PLANTRONICS INC /CA/ | POLY | 27,606 | 27,606 | 1,010,932 | 1,010,932 | $36.62 |
| 03/31/2009 | PLANTRONICS INC /CA/ | POLY | 0 | -42,311 | 0 | -558,500 | |
| 12/31/2008 | PLANTRONICS INC /CA/ | POLY | 42,311 | -5,225 | 558,500 | -512,000 | $13.20 |
| 09/30/2008 | PLANTRONICS INC /CA/ | POLY | 47,536 | 47,536 | 1,070,500 | 1,070,500 | $22.52 |
| 06/30/2008 | PLANTRONICS INC /CA/ | POLY | 49,145 | 900 | 1,096,900 | 165,300 | $22.32 |
| 03/31/2008 | PLANTRONICS INC /CA/ | POLY | 48,245 | -300 | 931,600 | -330,400 | $19.31 |
| 12/31/2007 | PLANTRONICS INC /CA/ | POLY | 48,545 | -1,050 | 1,262,000 | -154,000 | $26.00 |
| 09/30/2007 | PLANTRONICS INC /CA/ | POLY | 49,595 | -200 | 1,416,000 | 110,000 | $28.55 |
| 06/30/2007 | PLANTRONICS INC /CA/ | POLY | 49,795 | 49,795 | 1,306,000 | 1,306,000 | $26.23 |
| 03/31/2007 | PLANTRONICS INC /CA/ | POLY | 49,795 | 49,795 | 1,176,000 | 1,176,000 | $23.62 |
| 12/31/2006 | PLANTRONICS INC /CA/ | POLY | 48,490 | 48,490 | 1,028,000 | 1,028,000 | $21.20 |
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