As filed with the Securities and Exchange Commission on April 27, 2020 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 Commission file number: 001-14668 COMPANHIA PARANAENSE DE ENERGIA – COPEL (Exact Name of Registrant as Specified in its Charter) Energy Company of Paraná (Translation of Registrant's Name into English) The Federative Republic of Bra ...

Financial Data and Key Metrics Changes - The company reported a net income of over BRL2 billion in 2019, an increase of 43% compared to the previous year, and an EBITDA of almost BRL4.6 billion, which increased by 36% year-over-year [6][24] - The financial leverage ratio improved to 2 times from 3.1 times in the previous year, indicating a stronger financial position [11] Business Line Data and Key Metrics Changes - The adjusted EBITDA for Generation and Transmission (GeT) improved by 67% in Q4 2019 compared to 2018, and 32% for the full year, driven by new projects and operational revenues [26] - The adjusted EBITDA for Distribution (DIS) reached BRL284 million in Q4, a 70% increase, and BRL1.231 billion for the year, up 33% from 2018 [27] - Telecom's adjusted EBITDA was BRL42 million in Q4, a 41% increase, and BRL190 million for the year, a 23% increase compared to the previous year [27] Market Data and Key Metrics Changes - There was a 9% increase in consumption in the industrial market, and the average growth in the grid market was 4.5% [27] - The company noted a significant drop in energy distribution volume of 8% to 9% in the first week of the crisis, which is being closely monitored [60] Company Strategy and Development Direction - The company aims to be a reference in the electric industry, focusing on long-term strategies and capital allocation for modernization projects, including a BRL2.9 billion investment in the energy distribution grid [7][9] - The company is also considering the sale of Copel Telecom, with advanced studies underway [16] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism for 2020 despite the ongoing crisis, emphasizing the importance of financial discipline and operational efficiency [6][20] - The company has developed a contingency plan focusing on safety, continuity of essential services, and financial health [13][14] Other Important Information - The company proposed a significant increase in dividends, totaling BRL643 million, a 70% increase from 2018, which is subject to discussion in the upcoming shareholders' meeting [12] - The company has a sound cash position of approximately BRL3 billion, which is crucial for navigating the current crisis [23] Q&A Session Summary Question: Impact of recent merger and suspension of charges for residential electric sales - Management acknowledged the social responsibility of the measures but emphasized the need to discuss the economic balance of the industry due to lower energy demand and potential delinquency increases [38][40] Question: Expected impact on the generation sector and contract flexibility - Management confirmed that some generating companies are seeking contract reviews under force majeure clauses, and they are monitoring the situation closely [45][48] Question: Auction postponement due to current market conditions - Management believes the auction scheduled for April will likely be postponed due to the current crisis and market conditions [50] Question: Distribution volume and potential impacts - Management reported an 8% to 9% drop in distribution volume, which is significant but not alarming at this stage [60] Question: Adjustments related to Copel Telecom - Management discussed significant write-offs related to customer deactivations and market competitiveness, indicating ongoing adjustments in the telecom sector [62][64]

Financial Data and Key Metrics Changes - The company reported an EBITDA of over BRL1.2 billion, growing 41% compared to the same period last year [6] - Year-to-date EBITDA reached BRL3.2 billion, surpassing the total for the entire year of 2018 [6] - Operating cash generation for the quarter was BRL1 billion, significantly better than Q3 2018 [6] - Net income for Q3 2019 was approximately BRL395 million, a 3% increase year-over-year, and including nonrecurring effects, it surpassed BRL613 million, a 42% increase [31] - The company's leverage ratio improved to approximately 2.2x EBITDA over net debt, down from over 3 in the previous quarter [6][46] Business Line Data and Key Metrics Changes - Copel Distribution achieved an EBITDA of BRL331 million, an 18% improvement compared to Q3 2018, and for the last 12 months, it reached a record of BRL1.123 billion [7][36] - Copel GeT's EBITDA reached BRL541 million, an 18% increase year-over-year, primarily due to a 26% reduction in purchased energy for resale [28] - The commercialization company, Copel Energia, reported significant results with a mark-to-market gain of BRL99 million for the quarter [12] Market Data and Key Metrics Changes - The energy consumption in the grid market grew by 1.6% in Q3 2019, with an 8.4% increase in industrial free market consumption [29] - There was a 1.8% growth in electric energy supply, with a 3.5% increase in energy sold volume to end users [30] Company Strategy and Development Direction - The company is focusing on a modernization program for its energy distribution grid, with an investment of BRL2.9 billion planned between 2020 and 2025 [16][17] - The company aims to improve operational efficiency and reduce costs through various initiatives, including a Voluntary Redundancy Program targeting approximately 500 employees [13][58] - The company is also preparing for the divestment of Copel Telecom, with plans to hold an auction by the end of Q1 2020 [19][76] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the company's ability to deliver consistent results and emphasized the importance of execution in their value improvement strategy [24][49] - The company is closely monitoring regulatory changes in the industry that may present opportunities for energy generation and innovation [21] - Management highlighted the importance of maintaining financial discipline and capital allocation to support sustainable growth [46][47] Other Important Information - The company received a certification from B3 for its governance practices, achieving the highest score among state-owned companies [14] - The investment plan for 2020 was approved at BRL2.1 billion, the highest in the company's history before the regulatory review [22] Q&A Session Question: Can you provide more details on the Voluntary Redundancy Program and other cost-cutting measures? - Management indicated that they are considering outsourcing the internal call center and expediting the shared service center process to gain efficiency [54][56] Question: What is the status of the divestment process for Compagas? - Management stated that guidelines for the concession renewal are expected to be published in the first half of 2020, with a divestment plan anticipated by early 2021 [60] Question: Can you comment on the Jandaíra Wind Farm and its synergies with other projects? - Management confirmed that the Jandaíra project benefits from existing knowledge and infrastructure in the region, which will help reduce costs and improve efficiency [61][62]

As filed with the Securities and Exchange Commission on April 26, 2019 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number: 001-14668 COMPANHIA PARANAENSE DE ENERGIA – COPEL (Exact Name of Registrant as Specified in its Charter) Energy Company of Paraná (Translation of Registrant's Name into English) The Federative Republic of Bra ...