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diff --git a/arm_compute/core/ActivationLayerInfo.h b/arm_compute/core/ActivationLayerInfo.h
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+/*
+ * Copyright (c) 2016-2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_ACTIVATIONLAYERINFO_H
+#define ARM_COMPUTE_ACTIVATIONLAYERINFO_H
+
+#include "arm_compute/core/Coordinates.h"
+#include "arm_compute/core/QuantizationInfo.h"
+#include "arm_compute/core/Size2D.h"
+#include "arm_compute/core/Size3D.h"
+#include "arm_compute/core/Strides.h"
+#include "arm_compute/core/TensorShape.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/experimental/IPostOp.h"
+#include "arm_compute/core/utils/misc/Macros.h"
+#include "support/Bfloat16.h"
+#include "support/Half.h"
+
+#include <cmath>
+#include <cstddef>
+#include <cstdint>
+#include <map>
+#include <string>
+#include <utility>
+
+namespace arm_compute
+{
+/** Activation Layer Information class */
+class ActivationLayerInfo
+{
+public:
+    typedef arm_compute::ActivationFunction ActivationFunction;
+
+    /** Lookup table  */
+    using LookupTable256 = std::array<qasymm8_t, 256>;
+
+    ActivationLayerInfo() = default;
+    /** Default Constructor
+     *
+     * @param[in] f The activation function to use.
+     * @param[in] a (Optional) The alpha parameter used by some activation functions
+     *              (@ref ActivationFunction::BOUNDED_RELU, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::LINEAR, @ref ActivationFunction::TANH).
+     * @param[in] b (Optional) The beta parameter used by some activation functions (@ref ActivationFunction::LINEAR, @ref ActivationFunction::LU_BOUNDED_RELU, @ref ActivationFunction::TANH).
+     */
+    ActivationLayerInfo(ActivationFunction f, float a = 0.0f, float b = 0.0f)
+        : _act(f), _a(a), _b(b), _enabled(true)
+    {
+    }
+    /** Get the type of activation function */
+    ActivationFunction activation() const
+    {
+        return _act;
+    }
+    /** Get the alpha value */
+    float a() const
+    {
+        return _a;
+    }
+    /** Get the beta value */
+    float b() const
+    {
+        return _b;
+    }
+    /** Check if initialised */
+    bool enabled() const
+    {
+        return _enabled;
+    }
+
+#ifdef __aarch64__
+    const LookupTable256 &lut() const
+    {
+        return _lut;
+    }
+    void setLookupTable256(LookupTable256 &lut)
+    {
+        _lut = std::move(lut);
+    }
+#endif // __aarch64__
+private:
+    ActivationFunction _act     = { ActivationLayerInfo::ActivationFunction::IDENTITY };
+    float              _a       = {};
+    float              _b       = {};
+    bool               _enabled = { false };
+
+#ifdef __aarch64__
+    LookupTable256 _lut = {};
+#endif // __aarch64__
+};
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_ACTIVATIONLAYERINFO_H */