Title of Each Class Trading Symbol Name of Each Exchange on which Registered Class A Common Stock ($0.10 par value) BELFA NASDAQ Global Select Market Class B Common Stock ($0.10 par value) BELFB NASDAQ Global Select Market (MARK ONE) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to _______ ...

Bel Fuse Inc. (NASDAQ:BELFB) Q4 2019 Earnings Conference Call February 20, 2020 11:00 AM ET Company Participants Dan Bernstein – President and Chief Executive Officer Lynn Hutkin – Director of Financial Reporting Craig Brosious – Vice President of Finance Conference Call Participants Theodore O'Neill – Litchfield Hills Research James Ricchiuti – Needham & Company Mike Morales – Walthausen & Co. Hendi Susanto – Gabelli Funds Operator Good day, and welcome to the Bel Fuse Inc. Fourth Quarter and Fiscal Year 2 ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2019 or [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF T ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ Large accelerated filer [ ] Accelerated filer [X] Non-accelerated filer [ ] Smaller reporting company [X] Emerging growth company [ ] Title of Each Class Trading Symbol Name of Exchange on Which Registered Class A Common Stock ($0.10 par value)BELFA Nasdaq Global Select Market Class B Common Stock ($0.10 par value)BELFB Nasdaq Global Select Market FORM 10-Q (MARK ONE) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR ...

Revenue and Sales Performance - The Company's revenues increased by $7.1 million (or 6.0%) in Q1 2019 compared to Q1 2018, primarily driven by strong demand for power products in datacenter applications [83]. - Net sales for Connectivity Solutions were $44.4 million (35% of total sales) in Q1 2019, up from $42.9 million (36%) in Q1 2018 [96]. - Power Solutions and Protection sales increased by $5.7 million (or 15.3%) in Q1 2019 compared to Q1 2018, driven by higher sales into datacenter applications [100]. - Total segment sales for North America were $67.5 million in Q1 2019, up from $62.6 million in Q1 2018, reflecting higher demand for power products [94]. - The Company anticipates sales growth in the second half of 2019, particularly in commercial aerospace and military platforms [91]. Order Backlog - The backlog of orders was $166.8 million as of March 31, 2019, a decline of $4.4 million (or 3%) from December 31, 2018, with a notable 11% increase in backlog for Connectivity Solutions products [84]. Cost and Expenses - Material costs as a percentage of sales increased to 41.8% in Q1 2019 from 40.8% in Q1 2018, reflecting ongoing supply constraints [87]. - Labor costs rose from 11.3% of sales in Q1 2018 to 11.5% in Q1 2019, primarily due to minimum wage increases in Mexico and the PRC [88]. - The Company incurred $0.9 million in restructuring costs in Q1 2019, with expected annualized cost savings of $2.1 million starting in the second half of 2019 [89]. - Research and development expenses were $7.2 million in Q1 2019, slightly down from $7.3 million in Q1 2018 [103]. - Other expenses decreased by $0.3 million in Q1 2019 compared to Q1 2018, mainly due to lower depreciation and amortization [104]. - Selling, General and Administrative expenses decreased by $0.9 million in Q1 2019, attributed to a $0.7 million increase in cash surrender value of life insurance policies [105]. Tax and Financial Position - The effective tax rate will fluctuate based on the geographic segment, with Asia having the lowest tax rates among the Company's segments [90]. - The effective tax rate was 3.3% in Q1 2019, a significant change from (33.2%) in Q1 2018, primarily due to a decrease in uncertain tax positions [107]. - Cash and cash equivalents decreased by $10.7 million in Q1 2019, with net cash used in operating activities amounting to $6.3 million [113]. - Accounts receivable increased by $2.3 million in Q1 2019, with Days Sales Outstanding rising to 68 days from 59 days at the end of 2018 [113]. - The unused credit available under the credit facility was $75.0 million as of March 31, 2019, with $47.4 million available for borrowing without violating covenants [111]. - The Company repatriated $10.0 million from foreign subsidiaries in Q1 2019 and plans to repatriate an additional $10 million by the end of Q3 2019 [109]. Labor Costs - Labor costs as a percentage of sales increased in Q1 2019 due to minimum wage hikes in China and Mexico, partially offset by favorable exchange rates [102].

| --- | --- | --- | --- | --- | |---------------------------------|-------|-------|-------|-----------------| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Spring Investor Summit | | | | | | April 1, 2019 | | | | | | (Nasdaq: BELFB) (Nasdaq: BELFA) | | | | www.belfuse.com | Safe harbor statement The Company's consolidated operating results are affected by a wide variety of factors that could materially and adversely affect revenues and profitability, including the risk factors de ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _____________________ NEW JERSEY 22-1463699 (State of incorporation) (I.R.S. Employer Identification No.) Title of Each Class Name of Each Exchange on which Registered Class A Common Stock ($0.10 par value) NASDAQ Global Select Market Class B Common Stock ($0.10 par value) NASDAQ Global Select Market FORM 10-K (MARK ONE) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended De ...