Ratings by TD Cowen (Paul Silverstein)

Date	Company	Symbol	Type	Rating (Past)	PT (Past)	Start $ (End $)	% Chg.	Details
4/25/2023	CIENA	CIEN	Maintain	Buy (N/A)			Details
4/21/2023	Calix	CALX	Maintain	Buy (N/A)			Details
4/19/2023	Ericsson	ERIC	Maintain	Buy (N/A)			Details
2/22/2023	ADTRAN	ADTN	Maintain	Buy (N/A)			Details
2/16/2023	Cisco	CSCO	Maintain	Buy (N/A)			Details
2/14/2023	Arista Networks	ANET	Maintain	Buy (N/A)			Details
2/3/2023	Clearfield	CLFD	Maintain	Buy (N/A)			Details
1/23/2023	Ericsson	ERIC	Maintain	Buy (N/A)			Details
1/4/2023	Clearfield	CLFD	New Coverage	Buy (N/A)	91.38 (30.01)	-67.16%	Details
12/19/2022	DZS Inc.	DZSI	New Coverage	Buy (N/A)	11.01 (0.52)	-95.28%	Details
12/13/2022	Arista Networks	ANET	Maintain	Buy (N/A)			Details
11/17/2022	Cisco	CSCO	Maintain	Buy (N/A)			Details
11/15/2022	Applied Optoelectronics	AAOI	Maintain	Buy (N/A)			Details
11/15/2022	Rockley Photonics Holdings Ltd	RKLY	Maintain	Buy (N/A)			Details
11/1/2022	Arista Networks	ANET	Maintain	Buy (N/A)			Details
10/21/2022	Ericsson	ERIC	Maintain	Buy (N/A)			Details
8/29/2022	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
8/5/2022	Motorola Solutions Inc.	MSI	Maintain	Buy (N/A)			Details
7/26/2022	F5 Networks	FFIV	Maintain	Buy (N/A)			Details
6/6/2022	CIENA	CIEN	Maintain	Buy (N/A)			Details
5/16/2022	Rockley Photonics Holdings Ltd	RKLY	Maintain	Buy (N/A)			Details
5/12/2022	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
5/5/2022	EMCORE	EMKR	Maintain	Buy (N/A)			Details
4/27/2022	Calix	CALX	Maintain	Buy (N/A)			Details
4/27/2022	Juniper Networks	JNPR	Maintain	Hold (N/A)			Details
3/9/2022	CIENA	CIEN	Maintain	Buy (N/A)			Details
2/28/2022	Applied Optoelectronics	AAOI	Maintain	Buy (N/A)			Details
2/22/2022	Ribbon Communications	RBBN	Maintain	Hold (N/A)			Details
2/17/2022	Cisco	CSCO	Maintain	Buy (N/A)			Details
2/14/2022	Cisco	CSCO	Maintain	Buy (N/A)			Details
1/26/2022	F5 Networks	FFIV	Maintain	Buy (N/A)			Details
1/26/2022	Ericsson	ERIC	Maintain	Buy (N/A)			Details
12/13/2021	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
10/28/2021	Ribbon Communications	RBBN	Maintain	Hold (N/A)			Details
10/20/2021	Ericsson	ERIC	Maintain	Buy (N/A)			Details
9/9/2021	Rockley Photonics Holdings Ltd	RKLY	New Coverage	Buy (N/A)	9.38 (0.19)	-97.97%	Details
8/6/2021	Applied Optoelectronics	AAOI	Maintain	Buy (N/A)			Details
8/6/2021	Motorola Solutions Inc.	MSI	Maintain	Buy (N/A)			Details
8/6/2021	ADTRAN	ADTN	Upgrade	Buy (Hold)	21.70 (9.59)	-55.81%	Details
8/4/2021	NeoPhotonics	NPTN	Maintain	Buy (N/A)			Details
8/3/2021	Arista Networks	ANET	Maintain	Buy (N/A)			Details
7/30/2021	Nokia	NOK	Upgrade	Buy (Hold)	6.05 (7.74)	27.93%	Details
7/27/2021	F5 Networks	FFIV	Maintain	Buy (N/A)			Details
6/22/2021	Calix	CALX	Maintain	Buy (N/A)			Details
6/4/2021	CIENA	CIEN	Maintain	Buy (N/A)			Details
5/26/2021	EMCORE	EMKR	New Coverage	Buy (N/A)	8.83 (3.10)	-64.89%	Details
6/24/2020	CIENA	CIEN	Maintain	Buy (N/A)			Details
6/5/2020	CIENA	CIEN	Maintain	Buy (Buy)			Details
5/28/2020	Plantronics	PLT	Maintain	Buy (N/A)			Details
2/11/2020	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
2/5/2020	Inphi Corp.	IPHI	Maintain	Buy (N/A)			Details
11/13/2019	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
11/12/2019	Inphi Corp.	IPHI	Maintain	Buy (N/A)			Details
11/12/2019	Inphi Corp.	IPHI	Maintain	Buy (N/A)			Details
10/30/2019	Inphi Corp.	IPHI	Maintain	Buy (N/A)			Details
10/23/2019	Calix	CALX	Maintain	Buy (N/A)			Details
8/14/2019	II-VI, Inc.	IIVI	Maintain	Buy (N/A)			Details
8/7/2019	Plantronics	PLT	Maintain	Buy (N/A)			Details
8/6/2019	NeoPhotonics	NPTN	Maintain	Buy (N/A)			Details
8/2/2019	Inphi Corp.	IPHI	Maintain	Buy (N/A)			Details
5/28/2019	Plantronics	PLT	New Coverage	Buy (N/A)	44.87 (12.38)	-72.41%	Details
11/8/2018	Applied Optoelectronics	AAOI	Maintain	Buy (N/A)			Details
11/6/2018	Calix	CALX	Upgrade	Buy (Hold)	7.42 (50.47)	580.19%	Details
10/18/2018	ADTRAN	ADTN	Maintain	Hold (N/A)			Details
9/28/2018	Applied Optoelectronics	AAOI	Maintain	Buy (N/A)			Details