Note 1 Nature of Operations

We own and operate the world’s largest land-based drilling rig fleet and are a leading provider of offshore platform workover and drilling rigs in the United States and numerous international markets. As a global provider of services for land-based and offshore oil and natural gas wells, our fleet of rigs and drilling-related equipment as of March 31, 2016 includes:

427 actively marketed rigs for land-based drilling operations in the United States, Canada and approximately 20 other countries throughout the world; and

43 actively marketed rigs for offshore drilling operations in the United States and multiple international markets.

We also provide innovative drilling technology and equipment and comprehensive well-site services including engineering, transportation and disposal, construction, maintenance, well logging, directional drilling, rig instrumentation, data collection and other support services in many of the most significant oil and gas markets in the world. In addition, we manufacture and lease or sell top drives and other rig equipment.

On March 24, 2015, we completed the merger (the “Merger”) of our Completion & Production Services business with C&J Energy Services, Inc. (“C&J Energy”). In the Merger and related transactions, our wholly-owned interest in our Completion & Production Services business was exchanged for cash and an equity interest in the combined entity, C&J Energy Services Ltd. (“CJES”), and has been accounted for as an unconsolidated affiliate as of the acquisition date. As a result of the Merger, we report our share of the earnings (losses) of CJES through earnings (losses) from unconsolidated affiliates in our consolidated statements of income (loss). See further discussion in Note 3 — Investments in Unconsolidated Affiliates. Prior to the Merger, our Completion & Production Services business conducted our operations involved in the completion, life-of-well maintenance and plugging and abandonment of wells in the United States and Canada. These services include stimulation, coiled-tubing, cementing, wireline, workover, well-servicing and fluids management. As we no longer consolidate the results of operations from our historical Completion & Production Services business, our results of operations for the three months ended March 31, 2015 are not directly comparable to the three months ended March 31, 2016.

Our Drilling & Rig Services business is comprised of our global land-based and offshore drilling rig operations and other rig services, consisting of equipment manufacturing, rig instrumentation, optimization software and directional drilling services. Our Drilling & Rig Services business consists of four reportable operating segments: U.S., Canada, International and Rig Services. Through our investment in CJES, we remain engaged in the completion and production services business. CJES provides well construction, well completions, well support and other complementary oilfield services to oil and gas exploration and production companies primarily in North America.

On May 24, 2015, we paid $106.0 million in cash to acquire the remaining 49% equity interest in Nabors Arabia Company Limited (“Nabors Arabia”), our joint venture in Saudi Arabia, making it a wholly owned subsidiary. The effects of the acquisition and the operating results of Nabors Arabia are included in the accompanying unaudited consolidated financial statements beginning on the acquisition date, and are reflected in our International drilling segment.

Unless the context requires otherwise, references in this report to “we,” “us,” “our,” “the Company,” or “Nabors” mean Nabors Industries Ltd., together with our subsidiaries where the context requires, including Nabors Industries, Inc., a Delaware corporation (“Nabors Delaware”), our wholly owned subsidiary.