Helmer Directional Drilling Corp. (EXLAE: OTCQB) | Symbol Change Print Alert Fri, Jun 14, 2013 12:00 - Helmer Directional Drilling Corp. (EXLAE: OTCQB) - Symbol Change - The symbol, EXLAE, is no longer a valid symbol for Helmer Directional Drilling Corp.. As of Fri, Jun 14, 2013, the new trading symbol is EXLA. You may find a complete list of symbol changes at otcmarkets.com.
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