CALIFORNIA BORING INC.

Labor Union:LABORERS' INTERNATIONAL UNION OF NORTH AMERICA, LOCAL 1184

Voting Unit (Unit A):ATTACHMENT TO REPRESENTATION PETITION FILED BY LABORERS' INTERNATIONAL UNION OF NORTH AMERICA, LOCAL UNION NO. 1184 RE: CALIFORNIA BORING INC., 21-RC - 072859 No. 5: Included: All full-time and regular part-time employees performing: All horizontal directional drilling and related work performed on jobsites or projects as part of the drilling operation by the Employer throughout the State of California as described in the Laborers' Master Horizontal Directional Drilling Agreement between Southern California Contractors Association, Inc. and Southern California District Council of Laborers and Laborers' International Union of North America, Local Union No. 1184, including but not limited to: 1. All work in connection with horizontal directional drilling crews, surface and pit launch directional drills, vacuum, mucker, vibratory plow, operation of electronic device (locator or laser), drilling crew foreman and leadman, operation of horizontal directional drill without regard to motive power, size of drill bit, or self-contained nature of the machine operation of all small skid steer loaders, any operation that employs trenchless technology for the installation of HDPE (high-density polyethylene), carriers unit driver, bentonite material handler, ground drilling hand driver controller for loading and uploading the horizontal directional drill rig, pipe service installer, pneumatic tool operator including suction pump, oiler, pipe luber, backhoe, recycler, vac truck, suction truck, water truck and any other similar services. 2. In addition, all work in the Employer's permanent and temporary yards, including but not limited to stock piling, loading and unloading material which have been particularly provided or set up to handle work in connection with jobs or projects within the scope of the foregoing paragraph. 3. All work within the scope of the Southern California Master Labor Agreement between the Southern California Contractors Association, Inc. and Southern California District Council of Laborers and Laborers' International Union of North America, Local Union No. 1184, regardless of where performed within the State of California. Excluded: All office clerical employees, professional employees, all other employees, timekeepers, managers, supervisors and guards as defined in the Act, as amended.

Union to Certify:LABORERS' INTERNATIONAL UNION OF NORTH AMERICA, LOCAL 1184